高中英语不定式练习

2. 作表语： My wish is to go abroad for further studies.
3. 作定语, 表示要干的事： I have a composition to write. The house to be built next year is 150 square metres.
English Grammar The Infinitive不定式
时态 语态 主动语态 一般式 to do
完成式 进行式
to have done
to be doing
完成进行式 to have been doing
被动语态
to be done to have been done
/
/
一般式: 表示与谓语的动作同时发生或发生在 谓语动作之后。 He seems to know it. She wishes to pass the coming exam.
3) 作表语： My wish is for our people to live a happy life.
4) 作定语： The question for her to answer is hard.
5) 作目的状语： We handed in our homework in time for the teacher to correct.
完成进行式: 表示不定式的动作发生在谓语动 作之前, 并且目前还在进行。 We’re happy to have been working with you. He is said to have been living here for 6 decades.
不定式的否定：not + 不定式 He pretended not to see me when passing by me. He seems not to have been there.

高中英语不定式练习题及讲解1. 填空题：- 请用适当的形式填空。

- To see is to believe. (眼见为实)- She went to the store to buy some milk.- He seems to be very knowledgeable about the subject.2. 选择题：- Choose the correct answer.- The teacher asked the students to __________ the assignment on time.A. hand inB. hand outC. hand overD. hand back- The correct answer is A. "hand in" means to submit.3. 改错题：- Identify and correct the error in the sentence.- She decided to go to the library to look up some information.(The sentence is correct.)4. 翻译题：- Translate the following sentence into English.- 他努力工作，希望能够得到晋升。

- He works hard in the hope of getting a promotion.5. 完形填空：- Fill in the blanks with the appropriate form of the infinitive.- I would rather __________ (stay) at home than__________ (go) out in this weather.- The correct forms are "stay" and "go."6. 连词成句：- Create a sentence using the given words.- (to, visit, museum, I, plan, next, weekend)- I plan to visit the museum next weekend.7. 阅读理解：- Read the passage and answer the question.- The passage talks about the importance of learning a new language. What is the best title for this passage?- A. The Benefits of Learning a New LanguageB. How to Learn a New LanguageC. The Challenges of Learning a New Language- The best title is A. The Benefits of Learning a New Language.8. 写作练习：- Write a short paragraph using the infinitive form of the verb.- (Example: To learn, to achieve, to succeed)- To learn is to open the door to knowledge, to achieve is to walk through it, and to succeed is to reach the other side with confidence.9. 语法讲解：- The infinitive form of a verb is the base form, often preceded by "to". It can function as a noun, adjective, or adverb in a sentence. For example, in the sentence "She wants to travel," "to travel" is an infinitive acting as a noun.10. 综合应用：- Use the infinitive form in a complex sentence.- Despite wanting to go to the concert, he had to stay home to finish his homework.- In this sentence, "to go" is an infinitive expressing the action he wanted to take.通过这些练习题，学生可以加深对不定式用法的理解，并在实际语境中应用它们。

高中英语动词不定式单句语法填空练习题1.The sleepy boy can't go to sleep as he wishes because he hasa lot of XXX.2."Can the project be finished as planned?" "Sure。

to get it completed in time。

we'll work two more hours a day."3.He went to the bookstore to buy his favorite novel。

only to be told that it had been sold out.4.I sent you 2000 dollars today。

and the rest will follow in a year.5."Is Bob still performing?" "I'm afraid not。

He is said to have left the stage already as he has XXX."6.All these gifts must be mailed immediately to be received in time for Christmas.7.It was XXX the gym for 3 hours just to have a look at the sports stars.8.To find out more about university courses。

call (920) xxxxxxx.9.According to Mr。

Smith。

the little boy was not to blamefor the XXX.10.In order to catch the early train。

高中英语动词不定式单项选择题50道1. To learn a foreign language well is very important.A. isB. areC. wasD. were答案：A。

本题考查动词不定式作主语，谓语动词用单数形式。

选项B、D 是复数形式，不符合语法规则。

选项C 是过去式，与句子时态不符，所以选择 A 。

2. She decided to go shopping this afternoon.A. goB. goingC. to goingD. to go答案：D。

decide to do sth. 是固定搭配，表示“决定做某事”，A 选项缺少to ，B 选项是动名词形式，C 选项语法错误，所以选择D 。

3. I find it difficult to learn English well.A. learnB. learningC. to learnD. learned答案：C。

“find it + adj. + to do sth.”是固定句型，“it”是形式宾语，真正的宾语是后面的动词不定式，A 选项是动词原形，B 选项是动名词，D 选项是过去式，均不符合语法规则，所以选择C 。

4. They hope to visit the Great Wall next week.A. visitB. visitingC. to visitD. visited答案：C。

hope to do sth. 表示“希望做某事”，A 选项是动词原形，B 选项是动名词，D 选项是过去式，均不符合固定搭配，所以选择C 。

5. He refused to answer my question.A. answerB. answeringC. to answerD. answered答案：C。

refuse to do sth. 是“拒绝做某事”的固定用法，A 选项是动词原形，B 选项是动名词，D 选项是过去式，都不符合该短语的搭配，所以选择C 。

doing sth. 忘记已做了．．． remember to do sth. 记得去做．．．
doing sth. 记得曾经做．．．
Let’s do some exercises！
1. She said she ___ her uncle very much and hoped ____ him. A. missed, to hear from B. missed, to hear C. misses, hearing from D. misses, hearing
(2). 表语 My job is to help the patient.
Your task is to clean the classroom.
（2） 作表语
不定式常用在系动词 be, seem, appear, get, remain等后作表语．
2. My job is to help the patients.
tommorrow.
(一般式表示与谓语的动作同时或发生在 它之后.)
(2). He pretended to be sleeping.
( 进行式表示在谓语动词发生的同时,不定式的动作也 正在进行)
(3).I am sorry to have kept you waiting. She pretended to have known it before.
高中英语外研版必修三语法不定 式Infinitive讲解练习
不定式
不定式由“to+动词原形”构成,其否定形式是 “not/never to do”, 不定式可以作主语、宾语 、状语、表语和定语，但不能单独作谓语。
一.结构 : to do (否定) not/never to do

高中英语动词不定式单项选择题50道1. To learn English well is very important.A. To learnB. LearningC. LearnD. Learnt答案：A。

本题考查动词不定式作主语。

动词不定式作主语，表示具体的、一次性的或将来的动作。

选项A“To learn”是动词不定式，符合题意。

选项B“Learning”是动名词形式，动名词作主语通常表示抽象的、习惯性的动作。

选项C“Learn”是动词原形，不能直接作主语。

选项D“Learnt”是过去分词形式，也不能作主语。

2. She decided to go shopping this afternoon.A. to goB. goingC. goD. went答案：A。

本题考查动词不定式作宾语。

“decide to do sth.”是固定用法，表示“决定做某事”。

选项A“to go”符合固定搭配。

选项B“going”是动名词形式，“decide”后不接“doing”。

选项C“go”是动词原形，不能直接跟在“decide”后。

选项D“went”是过去式，也不符合“decide”的用法。

3. He hopes to see you soon.B. seeingC. seesD. saw答案：A。

本题考查动词不定式作宾语。

“hope to do sth.”是常用结构，表示“希望做某事”。

选项A“to see”符合此结构。

选项B“seeing”是动名词形式，“hope”后不用“doing”。

选项C“sees”是第三人称单数形式，不能用在此处。

选项D“saw”是过去式，不符合“hope”的用法。

4. They refused to help us.A. to helpB. helpingC. helpD. helped答案：A。

本题考查动词不定式作宾语。

“refuse to do sth.”为固定搭配，表示“拒绝做某事”。

完整版)高中英语动词不定式专项练习1.根据句意，应选A。

改写为：据说他被允许回国，因为新总统上台了。

2.根据句意，应选A。

改写为：他说话的声音很高，以至于在房间的远端也能听到。

3.根据句意，应选C。

改写为：为什么召开了官方会议？是为了选择新官员。

4.根据句意，应选C。

改写为：在澳大利亚，他用实用的英语知识结识了很多朋友。

5.根据句意，应选D。

改写为：公平竞争和表现出色同样重要。

6.根据句意，应选C。

改写为：我们同意在这里见面，但她到目前为止还没有出现。

7.根据句意，应选D。

改写为：他总是更喜欢骑自行车，而不是挤在拥挤的公交车上。

8.缺少选项，删除此题。

9.--- Do you work in the lab every afternoon?No。

but sometimes。

I wish I had time to do it.10.I'll do XXX.11.Could you tell me the way you've thought of doing it?12.He was often XXX.13.XXX?14.Don't take the medicine。

it can't help you get rid of your cold.15.XXX to have a lot to worry about.16.Every minute is made full use of to study our lessons.17.I wanted to go to the party last night。

but I had to work extra hours to XXX.18.You shouldn't allow students to play games near the classroom because it's too noisy.19.The waiter was asked to apologize to the guest.20.Who would you rather have do the work?21.I had meant to call you。

高中英语不定式与分词综合练习(含答案)1. Choose the correct form of the verb in brackets:a. She seemed (surprised/surprising) when she heard the news. Answer: surprisedb. The view from the top of the tower is really (amazing/amazed). Answer: amazingc. I was (boring/bored) during the lecture.Answer: boredd. He found the book (interest/interesting).Answer: interesting2. Fill in the blanks with the correct form of the verb:a. It's important (eat) a healthy diet.Answer: to eatb. She pretended (not know) the answer.Answer: not to knowc. I don't feel like (go) for a walk today.Answer: goingAnswer: Visitinga. She had a lot of work. She didn't go out.Answer: Having a lot of work, she didn't go out.b. They missed the train. They had to wait for two hours. Answer: Having missed the train, they had to wait for two hours.c. He failed the exam. He didn't study hard.Answer: Failing the exam, he didn't study hard.d. She lost her keys. She couldn't open the door.Answer: Having lost her keys, she couldn't open the door.4. Rewrite the sentences using non-finite verbs:a. She was too tired to walk home.Answer: She was too tired that she couldn't walk home.b. They are too young to watch this movie.Answer: They are so young that they can't watch this movie.c. I'm glad I didn't miss the bus.Answer: I'm glad that I caught the bus.d. He was the first one to finish the test.Answer: He finished the test before anyone else.以上练习为不定式与分词的语法综合练习，希望可以对学生们的英语学习有所帮助。

高中英语动词不定式单选题30题1.She promised to help us with our project, which made us very happy.To help us with our project seemed like a big commitment.Helping us with our project was her promise.Not helping us with our project was not an option.答案：To help us with our project seemed like a big commitment.本题考查动词不定式作主语。

“To help us with our project”在句子中作主语，表示具体的某一次动作。

“Helping us with our project was her promise.”中“Helping”是动名词作主语，表示习惯性的动作，与题干不符。

“Not helping us with our project was not an option.”意思不对。

所以选择“To help us with our project seemed like a big commitment.”。

2.Our goal is to finish the assignment before the deadline.Finishing the assignment before the deadline is our goal.To be finishing the assignment before the deadline is hard.Not to finish the assignment before the deadline is unacceptable.答案：Our goal is to finish the assignment before the deadline.本题考查动词不定式作表语。

1. To eat one, you have to decide whether (bite) a small hole in it first, releasing the stream and riskinga spill (溢出), or to put the whole dumpling in your mouth, letting the hot soup explode on your tongue.2. Nanxiang aside, the best Xiao long bao have a fine skin, allowing them 41 (lift) out of the steamer basket without allowing them tearing or spilling any of their contents.3. For thousands of years, people have told fables (寓言) 61 (teach) a lesson or to pass on wisdom.4.The plan will extend protection to a significant number of areas that were previously unprotected, bringing many of the existing protected areas for giant pandas under one authority __________ (increase)effectiveness and reduce inconsistencies in management.5. Eric woke up a little later when he heard children playing outside. He pushed a chair onto the balcony, and climbed up __________ (see) them.6. He saved my son’s life," said Mrs. Brown. "I don't know __________to thank him.”7. A visually-challenged man from Beijing recently hiked (徒步) 40 days to Xi’an, as a first step __________ (journey) the Belt and Road route (路线) by foot.8.__________ (strengthen)the connection with young people, the event included a number of public promotional activities on social media, inviting twenty-nine tea professionals from around the world to have thirty-six hours of uninterrupted live broadcasts.9. As Helen walked on, she heard a man charging towards her. Fearful that he might have an intention __________ (harm) her, Helen started to run.10.That approach brought Cobb's air travel last year down by 75%, and she plans __________ (continue) the practice.11. Through touch, the one thing gallery signs tell you not __________ (do).12. Interviewing entrepreneurs might provide insight into the steps they took ________(achieve) success.13. Alaska is a good place ________( see ) the auurora borealis , and you can also go to places like Iceland, Siberia , the north of Greenland , Norway , Sweden, and Scotland14. I decided to do something __________ (educate) people about this problem.15. It is possible __________ (walk) or bike the entire 14 kilometers.16. Komodo National Park, officially recognized in 1980, is popular for ecotourism because of its unique biodiversity. Activities there range from whale watching to hiking (远足) and accommodations aim __________ (have) a low impact on the natural environment.17.（Sam walked her to a nearby convenience store so that she could safely wait for the police __________ (take) her home.18.Mary’s sister, Frances Todd Wallace, often came over ________ (plant) flowers in the front yard.19.Chinese researchers hope to use the instruments onboard Chang’e-4 66 __________ (find) and study areas of the South Pole-Aitken basin.20.Bamboo plants are associated with health, abundance and a happy home. They are easy__________ (care) for and make great presents.21.The next morning he hired a boat and set out __________ (find) the well-known painter.22.Something significant is happening to the world population-it is aging. The median(中位数的)age of an American in 1950 was 30; today it is 41 and is expected __________ (increase)to 42 by 2050.23．Agriculture gave people their first experience of the power of technology __________ (change)lives.24.It takes them hundreds of years __________ (break) down. Many of these bags end up in the ocean where larger ones can trap sea creatures, such as turtles and dolphins.25. Picking up her “Lifetime Achievement” award, proud Irene declared she had no plans __________(retire) from her 36-year-old business.26. You don’t have to run fast or for long __________(see) the benefit.27. The government encourages farmers to grow corn instead of rice __________(improve) water quality.28. Once his message was delivered, he allowed me __________(stay) and watch.29. They are required __________(process) the food that we eat.30. But Sarah, who has taken part in shows along with top models, wants __________(prove) that she has brains as well as beauty.31．It’s my honor to ________(invite) to go cycling alongside with you in the forest park this weekend.32．He contacted the driver, only ________ (discover) it contained ￡400 in notes, with another ￡50 in spare change beside it.33．The Institute spends a lot of time _____(think) hard about how ____(boost) American productivity. 34．Scientists claimed ______(make) a major breakthrough in the fight against cancer in the past three months. 35．Because hi s family couldn’t afford _______(pay) the school fees, he had to drop out of school at an early age. 36．The book is said to ________ (translate) into many languages in the last decade.37．Spending too much time online makes it hard for Tom ________(sleep) well.38．—The last one _____________ (arrive) pays for the meal.—Agreed!39．He was late again. It’s typical of him ________ (keep) everybody waiting.40．Difficult as the problem was ________(overcome), they kept on seeking for possible solutions instead of giving up hope.41．She makes ________ a rule to rise early every morning, take a hot bath and go out for a walk.42．All this has happened because you couldn’t be bothered ________(give) me the message.43．He prefers _________ (die) rather than give (give) in to the enemy.44．The book and the film really show how important it is for humans ___________ (protect) the environment. 45．Standing on the top of the mountain, we would not do anything but ________ (enjoy)the flowing of the clouds around me.46．We have no choice but ________ (embrace) it and regulate it.47．I woke up in the morning, only ____________(find) the outside world greatly changed.48．It took him a long time ________ (acquire) the skills he needed to become a professional artist.49．________ (earn) a living, some opened up shops and restaurants in Chinatown.50．It was very generous of you ________ (lend) your motorbike to me yesterday.51．What she tries to achieve is_________ (prepare) herself for university.52．It was the professor rather than his assistants that was entirely _____(blame) for what had happened in the lab. 53．Shortly after, he managed _____ (return) to his film career by directing, producing and even starring in films. 54．Three years ago, I had an opportunity ________(go) to New York and study, but I missed it.55．Diana used ______ (drive) to work, but now she is used to ______ (walk) because the road is crowded and she wants to keep fit.57．He persuaded her ________(go)to school, even though she did not want to.58．I never felt an urge ________(learn) any sign language before.59．What comes first is to keep an open mind, because everyone’s ideas deserve ________(consider)．60．Chinese kites, using simple materials such as wood and cloth, were often made__________(feature) the shapes of birds.61．That morning, I turned on the TV for some local news, only ______ (hear) that a hurricane was on its way. 62．There is nothing I can do ________ (change) my life, though. I believe this life belong to my own. 63．This experiment enabled scientists __________ (prove) that despite their poorly developed small eyes, bats still can see during the day.64．Don’t let the child who is not old enough ________(go) swimming alone.65．When people talked about the new film, Jack joined them and pretended ________ (see) the film. 66．When I heard this exciting news, I couldn’t wait________(run) to tell my parents.67．Would it be convenient for you ________ (leave) tomorrow?68．Every individual has a role ________(play) in environmental protection.69．In 2013, spacewoman Wang Yaping became China’s first teacher________ (give) lessons in space. 70．With so much work ________ (do), I shall not be able to go to the cinema with you.72．The purpose of basic education is _________ (develop) a fine personality in all children.73．_________________(obtain) her degree, she answered 81 questions on over 10 papers.74．If you get into trouble, please don’t hesitate __________(inform) me at once.75．He is said ________(write) a new book about migrant workers, which is well received among readers. 77．________ (catch) the early flight, we ordered a taxi in advance and got up very early.79．How ________ (protect) our environment has become one of the most difficult issues in the world. 81．Which do you enjoy______ (spend) your coming weekend, going touring or staying at home?82．I had intended ________(catch) the early train, but I didn’t get up on time.83．People are likely ________(suffer) from back problems if they always sit before the computer long hours. 84．As soon as he arrives home after school, he sets out ________(revise) what he has learnt in class.85．The desk clerk was made ________(leave) the company because of her frequent absence from work. 87．The final examination is drawing near, so we have no choice but ________(focus) on our studies.88．_________ (tell) the truth , I take no interest in playing football at all.89．This morning Alice was about ________(go) out when the door opened and in came some strangers. 90．Sending people to other planets or even beyond the solar system is not an easy goal ______(achieve). 91．Many bad habits are difficult ______(cure) because they are likely to have been formed at avery young age. 93．She declined________ (have) dinner with us because she had something to attend to.94．Mr. Crossett was made ___________(give) up his teaching because of his poor health and old age. 96．Claire had forced me to make the promise ________(tell) her the truth.97．She was about _______ (leave)the house when the door bell rang.98．She became the first woman ever ________ (serve) as a resident physician in the hospital.99．As a responsible citizen, you are bound ______ (follow) the laws of your country.100．Mr Zhang does what he can ________ (help) us improve our English.。

高中英语不定式练习题### 高中英语不定式练习题#### 一、不定式作主语1. To learn a new language is to open a new world.2. To wake up early is to gain an extra hour in the day.3. It is important to respect others' opinions.#### 二、不定式作宾语1. I want to visit the Great Wall.2. She seems to enjoy listening to music.3. They decided to start a new project.#### 三、不定式作宾语补足语1. I heard him to play the piano beautifully.2. The teacher asked us to hand in our homework on time.3. My parents encouraged me to pursue my dreams.#### 四、不定式作定语1. I have a lot of work to do.2. There is nothing to fear but fear itself.3. She is the person to rely on in times of trouble.#### 五、不定式作状语1. To save time, we took a shortcut.2. To my surprise, he won the competition.3. In order to succeed, one must work hard.#### 六、不定式的完成式1. I regret to have wasted so much time.2. She appears to have finished her homework.3. It is said to have been a great event.#### 七、疑问词+不定式结构1. I don't know what to do next.2. Can you tell me how to get to the library?3. I'm wondering when to start the meeting.#### 八、不定式进行时态1. She is trying to finish her report before the deadline.2. He seems to be working on a new invention.3. They are planning to go on a trip next month.#### 九、不定式的被动语态1. The book is to be read by everyone.2. The project is to be completed by the end of the year.3. The letter is to be sent tomorrow.#### 十、不定式的否定形式1. He is not to be trusted.2. You are not to disturb him while he is working.3. It is not to be missed.#### 练习题1. Fill in the blanks with the correct form of the infinitive. - The best way to succeed is to work hard.- She promised to help me with my homework.2. Rewrite the following sentences using the correct form of the infinitive.- He is eager to travel around the world. (Eager)- They are planning to move to a new city. (Plan)3. Choose the best answer to complete the sentences.- It's necessary to have a good rest before starting along journey.A) to haveB) havingC) had4. Use the correct form of the infinitive to express the following ideas.- It's important to keep promises. (Keep)- I'm looking forward to meeting you. (Look forward)5. Translate the following sentences into English.- 他似乎正在学习如何驾驶飞机。

高中英语动词不定式单选题30题1. She decided ______ a new dress for the party.A. to buyB. buyingC. boughtD. buy答案：A。

本题考查动词不定式的用法。

decide to do sth. 是固定搭配，表示“决定做某事”，故选A。

2. The teacher asked the students ______ quiet in the library.A. to keepB. keepingC. keptD. keep答案：A。

ask sb. to do sth. 意为“要求某人做某事”，需用动词不定式，A 选项符合。

3. It's important ______ enough sleep every day.A. to getB. gettingC. gotD. get答案：A。

“It's important to do sth.”表示“做某事是重要的”，用动词不定式，A 正确。

4. They hope ______ the problem soon.A. to solveB. solvingC. solvedD. solve答案：A。

hope to do sth. 表示“希望做某事”，A 选项符合该用法。

5. I have a lot of work ______.A. to doB. doingC. doD. did答案：A。

“have sth. to do”表示“有某事要做”，用动词不定式，选A。

6. The doctor advised me ______ more exercise.A. to takeB. takingC. tookD. take答案：A。

advise sb. to do sth. 是“建议某人做某事”的固定表达，A 选项正确。

7. He tried ______ the door but failed.A. to openB. openingC. openedD. open答案：A。

高中英语动词不定式单选题30题1.She wants to become a doctor in the future.A.to becomeB.becomingC.becomesD.became答案：A。

“want to do sth”是固定用法，表示“想要做某事”，动词不定式“to become”在这里作“want”的宾语。

选项B“becoming”是现在分词形式；选项C“becomes”是第三人称单数形式；选项D“became”是过去式，均不符合“want to do sth”的用法。

2.He hopes to win the game.A.to winB.winningC.winsD.won答案：A。

“hope to do sth”表示“希望做某事”，动词不定式“to win”作“hope”的宾语。

选项B“winning”是现在分词形式；选项C“wins”是第三人称单数形式；选项D“won”是过去式，不符合“hope to do sth”的用法。

3.They decided to go on a trip.A.to goB.goingD.went答案：A。

“decide to do sth”是固定搭配，“to go”作“decided”的宾语。

选项B“going”是现在分词形式；选项C“goes”是第三人称单数形式；选项D“went”是过去式，不符合“decide to do sth”的用法。

4.We plan to visit the museum.A.to visitB.visitingC.visitsD.visited答案：A。

“plan to do sth”表示“计划做某事”，“to visit”作“plan”的宾语。

选项B“visiting”是现在分词形式；选项C“visits”是第三人称单数形式；选项D“visited”是过去式，不符合“plan to do sth”的用法。

高中英语动词不定式单项选择题50道1.To learn a foreign language well takes time and patience.A.TakingB.TakeC.TakenD.To taking答案：A。

本题考查动词不定式作主语与动名词作主语的转换。

动词不定式To learn a foreign language well 作主语，表示具体的一次性的动作；Taking a foreign language well 是动名词短语作主语，表示抽象的、习惯性的动作。

在本句中，两者意思相近，可以转换。

B 选项Take 是动词原形不能作主语；C 选项Taken 是过去分词不能作主语；D 选项To taking 表达错误。

2.It is important to study hard for the exam.A.StudyingB.StudyC.StudiesD.Studied答案：A。

本题考查动词不定式作主语与动名词作主语的区别。

It is important to study hard for the exam 中动词不定式To study hard for the exam 作真正的主语，it 是形式主语；Studying hard for the exam 是动名词短语作主语也可以，但在本句中有固定句型It is + 形容词+ to do sth，所以用动词不定式更符合。

B 选项Study 是动词原形不能作主语；C 选项Studies 是第三人称单数形式也不能作主语；D 选项Studied 是过去式或过去分词不能作主语。

3.To help others is a good quality.A.HelpingB.HelpC.HelpsD.Helped答案：A。

本题考查动词不定式作主语与动名词作主语的转换。

To help others 作主语，表示具体的行为；Helping others 是动名词短语作主语，表示习惯性的行为。

动词不定式专项训练A. to solveB. to be solveC. being solvedD. solvingA. for her to returnB. that she must returnC. her returningD. of him to returnA. costs... to getB. costs... gettingC. takes... to getD. takes... gettingA. to explainB. to have been explainedC. to be explainedD. to be explainingA. to learnB. to be learningC. to have learnedD. to have been learningKeys: 1-5 A A C C C专项练习1.The flu is believed_______ by viruses that like to reproduce in the cells inside the human nose and throat.A. causingB. being causedC. to be causedD. to have been caused2.There is a new problem involved in the popularity of private cars road conditions needA. that. .. to be improvedB. which ... to be improvedC. where. . . to be improvingD. when.. . improving3.Remember_________the magazine when you have finished reading it.A. putting backB. having put backC. to put backD. will put back4.—I'm sorry I forgot________ your dictionary.—Let's use Li Hua's.A. to takeB. takingC. to bringD. bringingA. to do whatB. what to doC. doing whatD. what doingA. writing... phoningB. to write. . . to phoneC. writing... to phoneD. to write. . . phoning7.Tom is always forgetting things he has done. Yesterday, he forgot and looked for it eve-rywhere.A. to post the letterB. to have the letter postedC. to having posted the letterD. having posted the letterA. to be notB. not to beC. not beingD. being not9.My brother regretted _______ a lecture given by Prof. Wang.A. missingB. to missC. missedD. being missing10.I regret _______ you that we are unable to offer you a job.A. informingB. having informedC. to informD. to informing11.He felt tired with typing the lecture. So he stopped_______ a short break.A. havingB. to haveC. takingD. to taking12.In order to gain a bigger share in the international market, many state-run companies arestriving their products more competitive.A. to makeB. makingC. to have madeD. having madeA. to sit... weptB. to sit. .. weepingC. sit... weptD. sat. . . weeping14.—You have come just in time tohelp us.—Fine. What needs________________________?A. I doB. doneC. to be doneD. to do15.That evening, he set about_________ t he report_______ the next morning.A. write... to hand inB. to write.. . handing inC. written... to hand inD. writing... to be handed in16.There seemed nothing ________ to do but ________ f or the doctor.A. leave... sendB. left... to sendC. left... sendD. leaving... send17.Do you think it difficult________ a dolphin ________ ?A. to train... jumpingB. training... for jumpingC. to train... jumpD. to train... to jump18.I prefer _______ rather than_______ .A. to do some reading... watching TVB. doing some reading... watching TVC. to do some reading... watch TVD. doing some reading... to watch TV19.The two boys pretended _________ v ery hard, though they did nothing.A. studyB. studyingC. to be studiedD. to be studying Keys: 1-5 CACCB6-10 CDBAC 11-15 BAB CD 16-19CDCD专项练习1.An army spokesman stressed that all the soldiers had been ordered clear warnings before firing any shots.A. to issueB. being issuedC. to have issuedD. to beissuedA. practise to singB. practise singingC. to practise to singD. to practise singing3.—What can we do to help Li Ming?A. making him to realizeB. making him realizeC. to make him realizeD. to make him to realizeA. disappearB. to disappearC. disappearingD. disappearedA. to writeB. writtenC. writeD. writingA. madeB. to makeC. makingD. to be makingA. saysB. sayingC. sayD. saidA. give upB. giving upC. to give upD. to giving upA. to commentB. commentC. to commentingD. being commentedA. reciteB. recitedC. recitingD. to reciteA. repeat the question againB. repeating the questionC. to repeating the questionD. to repeat the questionA. to be destroyedB. to have been destroyedC. to be destroyingD. to have been destroyingA. to go alongB. going alongC. went alongD. will goalongA. to get it to startB. get it startD. getting it startedC. to get it startedA. to sweepB. to be sweptC. should sweepD. being swept Keys:1-5 ADC AC6-10 CCCBA 11-15 DBACB1.—I'd like to buy a car made in Shanghai.—Okay, Sir. You have several models ________ .A. to chooseB. to be chosen fromC. to choose fromD. for choosing2.It's time________ rice.A. for transplantB. of transplantingC. to transplantD. to transplanting3.It is a very difficult problem. I need a few days_________ .A. of thinking over itB. to think it overC. of thinking it overD. to think over it4.People need homes _______ and food ________ .A. to live... to eatB. to live in... to eatC. live. . . to eatD. to live in... to eat for5.Columbus was the first _________ t he New Continent.A. to have discoveredB. to discoverC. discoveringD. having discovered Keys:1-5 CCBBB专项练习A. for the family to liveB. for the family to live inC. that the family can't live inD. that the family can't liveA. so everyone to understandB. for every one understoodC. for everyone to understandD. for understandingA. to get along withB. to get alongC. to be got along withD. to getting along withA. for us in followingB. for us to be followedC. to be followedD. for us to followA. to drink itB. to be drunkC. to drinkD. to be drinkingA. to seeB. for to seeC. for seeingD. seeing7. _______ , I don't want to argue with them about the matter.A. To tell you the truthB. Telling the truthC. Having told you the truthD. Out of the truthA. to not frightenB. so as not to frightenC. in order to not frightenD. for not frighteningA. showing me the wayB. as to show me the wayC. to show me the wayD. so you can show me the wayA. to leaveB. that he leavesC. as to leaveD. leavingKeys:1-5 BCADC6-10 AABCC专项练习vi. 不定式的时态与语态意义1. 不定式的时态意义1)一般式：不定式的动作与谓语动词的动作同时发生或是在其后发生。