if 条件状语从句的时态练习
一.单项选择（15分）
1.If you _____ to the party, you’ll have a great time
A. will go
B. went
C. go
D.going
2 I ____ her the answer if she ____me.
A. can tell, will ask??
B. will tell, will ask?
C. would tell, ask??
D. will tell, asks
3 –What are you going to do tomorrow? —We’ll go to
the library tomorrow if it ___.
A. isn’t rain?
B. rain??
C. won’t rain?
D. doesn’t rain
4. What will you do if you _____ to the old folk’s
home visit?
A. go
B. went
C.going
D. will go
5. If I eat ____ food, I’ll be very fat.
A. too many
B. many too
C. too much
D. much too
6. I’
ll give the book to him if he ___ here next Sunday.
A. will come
B. comes
C. is coming
D. Came
7..If you _____ to the party, you’ll have a great time
A. will go
B. went
C. go
D. going
9.. What will father _____ us from Japan?
A. take
B. bring
C. carry
D. make
10.． I ____ her the answer if she ____me.
A. can tell, will ask
B. will tell, will ask
C. would tell, ask
D. will tell, asks
11. – What are you going to do tomorrow? --We’ll go to the library
tomorrow if it ___.
A. isn’t rain
B. rain
C. won’t rain
D. doesn’t rain
12. What will you do if you _____ to the old folk’s home visit?
A. go
B. went
C.going
D. will go
13. If I eat ____ food, I’ll be very fat.
A. too many
B. many too
C. too much
D. much too
14. I’ll give the book to him if he ___ here next Sunday.
A. will come
B. comes
C. is coming
D. Came
15. If he ________hard, he will get good grades
A. study
B. studies
C. will study
D. studied
16. I want to know if Mary________ to the party tomorrow.
A. go
B. Went
C. will go
D. Goes
17. Everyone must dress up. If you_______ ,they won’t let you in.
A. don’t
B. won’t
C. can’t
D. mustn’t
18. Mary will go to Sanya if she________a five-day t
A. have
B. Had
C. will have
D. Has
19. If he comes late,_____ he will miss the train.
A. and
B. So
C. /
D. Or
二、用所给词的适当形式填空（每小题3分）
1.If you ________(feel) tired, you _________ (have) to have a r est.
2. Where _____ he ____(see) the film if he _________(have) time?
3. If there ____(be) fewer trees, there _______( be) more polluti on.
4. He ___(dress)? more casually if he ___( not work) on weekends.
5. If Marcia _______(live) alone, she _______( keep) a pet parrot.
6. Lana _____( buy) a new dress if the old one ____(be) out of
style.
7.The twins _______(fight) if they__________(argue).
8. I ______(have) a bake sale if I ____(need) money for educatio n.
9. Peter ____( send) me a beautiful souvenir if he ____(tour) Sp ain.
10. If Mr Green _______ (say) I am hard- working, my par ents ___
（feel）glad.
11.I ______(go) to the beach if it________ ( not rain) this week.
12. _____they ___( have) a match if the P.E. teacher __(be) busy?
13.He ____(write) a letter to his grandparents if he ____(get) hi
s report card this week.
14. If she ______(get) up late, she _____ ( not catch) the earl
y bus.
15. Peter ____(major) in English if he ____(pass) the exams in P eking
Universit
三用括号里所给词的适当形式补全句子。
1. If she stops smoking, _____________________. (be more healthy)
2. If it rains, _____________________. (stay at home)
3. If I go on a diet, _____________________. (lose weight)
4. If we get up early, ____________________. (go out for the day)
5. If he gets a job, ________________. (earn lots of money)
6.If the telephone rings, I _____(answer) it.
7.If you get up late, you _____(be late) for school.
8.If I _____(not finish) my homework, I won’t go to bed.
9.If you____( feel) hungry, you should eat something.
10.If you _____(feel) tired, you must have a rest.
11.If you ____(be ill), you must go to see a doctor.
7. If you work ______(hard),you will do better .
四、完成句子(每小题4分)
1.如果他到的晚了会发生什么事情？What ______ _____ if he ____ late?
2. 如果努力学习，你就会取得好成绩。If you_________ ________, you ______ ______good _______.
3. 他如果看电视太久了，他的父母会不高兴。
If he _____ TV too much, his parents _____ _________unhappy.
4. 如果我们为他组织生日聚会，大家都会来的。
Everyone _____ _____ if we _______a birthday party ________ him.
5. 如果明天不下雨，我会和你一起去公园的。
If it _____ ______tomorrow, I _____ go to the park ______you.
6. 如果她睡过头了，就会旅游迟到的。he____ ___ ___ ___ the trip if she _____ ___
7. 如果他有空，他会帮助你的。If he ____ ____ , he ______ ____ you.
8. 如果Tom考试不及格，他就没有机会上高中了。
Tom ______have the _____to go to the high school if he ________the exams.
9. 你如果抄同学的作业就不能学好各门功课。
You _______ _____ good at all the subjects if you ______ the other students’ homework.
10.如果你上课睡觉，老师会生气。If you______ in class,your teacher ____
11. 如果你参加聚会，你将会过得很开心。
If you ________ the party, you __________.
12. 如果明天下雨，我们将不去野餐。
If it __________ tomorrow, we ___________.
13. 如果你经常听英文歌，你将会喜欢英语的。
If you often ________, you _________________.
五、.根据下面的提示，用If…,will…的句式完成句子。
1）If it is sunny tomorrow, what will you do? Go on a school trip
Eg. If it is sunny tomorrow, I’ll go on a school trip.
2）If it rains tomorrow, what will you do? Stay at home and study hard
3) If she studies hard , what will she do? Go to Peking university
4) If he watches too much TV every night, What will happen? Won’t finish homework
5)If you have enough money, what will you do? Travel around the world
六.仔细观察下列例句，然后总结归纳关于if 引导的条件状语从句的用法。
1.If it rains next Sunday, we won’t go for a picnic.如果下周日下雨，我们就不去野餐了。
2.If you go to the party, you will meet Uncle Zhang.如果你去参加聚会，就会遇到张叔叔。
3.I’ll ask the teacher for help if I don’t understand.如果我有不懂的知识，就会向老师求助。
4.We’ll plant trees in the mountains if it is fine tomorrow.如果明天天气睛朗，我们就要去山上植树。
5.Put up your hand if you have any questions to ask.如果你有问题，请举手。
6.If I get there early, I can see the doctor soon.如果我早到这儿，我就能很快看病。
「结论」1. 通常情况下，主句用一般将来时，if引导的条件状语从句要用_________时态；
2. 由if 引导的条件状语从句既可以放在主句之______，如例句1、2、6；也可以放在主句之_______，
如例句3、4、5
3 .从句如果位于主句之前时，常用_________将其与主句隔开，如例句1、2、6
4. 若主句是祈使句，if引导的条件状语从句仍用____________时态。如例句_______;
5. 主句不一定总是一般将来时，有时也会出现“_________动词+动词原形”的情况，如例句
_________,从句总是___________时态。
t 条件状语从句 一、 条件状语从句通常由 if （如果）, unless （除非），as long as （只要）引导。 例如：If it rains tomorrow, we won ’go to the park. 如果明天下雨，我们就不去公园了。 Unless weather stops me, I go for a walk every. 我每天都会去散步，除非遇上坏天气。 Our parents will be pleased with our performance as long as we try our best. 小试牛刀：1、只要我们竭尽全力，父母就会满意我们的表现。 Our parents will be pleased with our performance _____ _____ ______ we try our best. 2、如果人人为保护环境做出贡献，世界将会变得更美好。______ ______ ______ _____ _______ to protecting the environment, the world will become much more beautiful. 二、if 引导的条件状语从句 （1）“if 从句+祈使句”的句子。其实，if 作为一个连词，主句也可以是其他形式的句子。 例如：If you want to go, please let me know. If the green light isn ’t on, wait for a minute. (2)“祈使句 + and (or)+ 陈述句” 在意思上相当于一个带有条件状语从句的复合句。 注意：A. “祈使句 + and + 陈述句”可以转化为 if 引导的肯定条件状语从句，而且主语是第二人称。 B. “祈使句 + or + 陈述句”可以转化为 if 引导的否定条件状语从句，而且主语是第二人称。 例如：Study hard and you will pass the exam. =If you study hard, you will pass the exam. Hurry up, or you ’ll be late. =If you don ’t hurry up, you ’ll be late. 考题 (2010 重庆中考)Work hard ，________ you may catch up with your classmates soon. A.or B.but C.and D.yet 思路解析：本句是“祈使句＋and”的句型，句意为“努力学习，你会很快赶上其他同学的”，and 在句中表示承接 关系，所以选 C 项。答案：C 黑色陷阱：本题的陷阱是句型，本句型区别于“祈使句＋or”，这个句型的含义是“……，不然的话/否则……”。 绿色通道：祈使句后面既可以加 and ，也可以加 or ，所以要全面分析句意，再作决定。 小试牛刀：用 if 连接下列句子 1、Go to bed early and you will have a good rest. 2、Hurry up, or you ’ll miss the bus. 三、if 从句与主句具有以下特点： 1．If 从句中用一般现在时，表示未来的一种条件，从句中可以加时间状语。 e.g.If yo u can’t come tomorrow, we can hold the party a little later.明天你如果不能来，我们可迟一点举行宴会。
If条件状从句练习 1. If there no buying and selling of animals, there no killing in nature. A. is; will he B. will be; will be C. is; is D. will be; is 2. I’m waiting for my friend._, I'll go shopping alone. A. If she comes B. If she won't come C. If she doesn't come 3.The students ____ have a sports meeting this weekend if it _____。A. won’t; rains B. will; rains C. won’t; will rain D. are going to; is going to rain 1.If you _____ to the party, you’ll have a great time A. will go B. went C. go D. going 2.–What are you going to do tomorrow? --We’ll go to the library tomorrow if it ___. A. isn’t rain B. rain C. won’t rain D. doesn’t rain 3. What will you do if you _____ to the old folk’s home visit? A. go B. went C. going D. will go 4. If I eat ____ food, I’ll be very fat. A. too many B. many too C. too much D. much too 5. I’ll give the book to him if he ___ here next Sunday. A. will come B. comes C. is coming D. came 6. I ____ her the answer if she ____me. A. can tell, will ask B. will tell, will ask C. would tell, ask D. will tell, asks 7. We’ll go to the farm and help the farmers with the apple-picking if it ____ tomorrow. A. won’t rain B. will be rainy C. doesn’t rain D. isn’t raining 8. There is going to _______ a sports meeting next week. If it ________, we’ll have to cancel it. A. be, will rain B. have, will rain C. be, rains 9. Y our teacher will be unhappy if you _______ to school late. A. come B. will come C. are coming D. came 10．I don’t know if he __. If he __ , please let me know. A. comes, comes B. will come, will come C. will come, comes D. comes, will come 11．Y ou will stay healthy _______ you do more exercise, such as running and walking. A. if B. how C. before D. where 12.If she here tomorrow, I will tell you. A. comes B. will come C. come D. came 13. I’m waiting for my friend. , I’ll go shopping alone. A. If she comes B. If she doesn’t come C. If she won’t come 14. —Tom wants to know if you will have a picnic tomorrow. —Y es. But if it ______, we’ll play chess instead. A. will rain B. rained C. is raining D. rains 15. If Tom _____ the game, we'll give him a surprise". A. win B. wins C. won D. miming 二、用所给词的适当形式填空。 1.If you ________(feel) tired, you _________ (have) to have a rest. 2. Where _____ he ____(see) the film if he _________(have) time? 3. If there ____(be) fewer trees, there _______( be) more pollution. 4. He ___(dress) more casually if he ___( not work) on weekends. 5. If Marcia _______(live) alone, she _______( keep) a pet parrot. 6. Lana _____ buy) a new dress if the old one ____(be) out of style. 7.The twins _______(fight) if they__________(argue). 8. I ______(have) a bake sale if I ____(need) money for education.
If引导条件状语从句的详细用法解答 引导条件状语从句最常用的连词是if，常见的if条件状语从句表示在某条件下，某事很可能发生，条件是可能存在的，主句中某种情况发生的概率也是很高的。如： If you ask him，he will help you．如果你请他帮忙，他会帮你的。 If you fail in the exam，you will let him down．如果你考试不及格，你会让他失望的。 If you have finished the homework，you can go home．如果你作业做完了就可以回家了。 另外，if从句还表示不可实现的条件或根本不可能存在的条件，也就是一种虚拟的条件或假设。从句多用一般过去时或过去完成时，表示对现在或过去的一种假设。如： If I were you，I would invite him to the party．如果我是你，我会邀请他参加聚会。 I would have arrived much earlier if I had not been caught in the traffic．要不是交通堵塞，我本会来得早一些。 另外你还要注意if 条件句的时态搭配 1．if从句用一般现在时，主句用一般将来时 If he runs he’ll get there in time. 如果他用跑的，他就会及时赶到那儿。 The cat will scratch you if you pull her tail. 如果你拉猫的尾巴，它就会抓你。2．if从句用一般现在时，主句用may/might/can If the fog gets thicker the plane may/might be diverted. 如果雾在大一些，飞机可能就会改在别的机场降落。 If it stops snowing we can go out. 如果雪停了，我们就可以出去。 3．if从句用一般现在时，主句用must/should If you want to lose weight you must/should eat less bread. 如果你想减肥，你必须少吃面包。 4．if从句用一般现在时，主句用一般现在时 If you heat ice it turns to water. (也可用will turn)如果把冰加热，它就会化成水。5．if从句用现在进行时，主句用一般将来时 If you are looking for Peter you’ll find him upstairs. 如果你是在找彼得，上楼就会找到他。 6．if从句用现在完成时，主句用一般将来时 If you have finished dinner I’ll ask the waiter for the bill. 如果你吃完了，我就叫服务生来算账 注意： 学习" if " 引导的条件状语从句的用法,现在总结一下: if 条件句不一般,几个要点记心间; 条件句,放在前,逗号要放句中间。 条件句表可能，主句多用将来时； 条件句表事实，主句常用现在时。
If条件句专练 I单项选择 1. If he hard, he will get good grades. A. study B. studies C. will study D. studied 2. I want to know if Mary to the party tomorrow. A. go B. went C. will go D. goes 3. Everyone must dress up. If you, they won’t let you in. A. don’t B. won’t C. can’t D. mustn’t 4. Mary will go to Sanya if she a five-day trip. A. have B. had C. will have D. has 5. If he comes late,he will miss the train.
A. and B. so C. / D. or II用所给词的适当形式完成句子 1. If Bruce ________(be) free, Let’s go to the park. 2. Tell him the news if you ________ ( meet ) him tomorrow. 3. If he ________(do) well in the exam. His teacher will be pleased with him. 4．If Mary ______(leave ) home too long, she ________(miss) her parents. 5. Be quick ,and you _________(arrive) in time. 6. Hurry up, or you_________(be ) late for school. III完成句子 1.如果他到的晚了会发生什么事情? What _______________ if he _____________ late? 2.如果努力学习,你就会取得好成绩. If you_________ ________,you ________ good ___________. 3.他如果看电视太久了,他的父母会不高兴. If he _____ TV too much, his parents _____ _________unhappy. 4.如果我们为他组织生日聚会,大家都会来的. Everyone ________ if we _______a birthday party ________ him. 5.如果明天不下雨,我会和你一起去公园的.
语法10单元语法再现梁老师组稿2017-12-31 一、观察下面的句子 If you go to the party, you will have a great time. If you do , you will be late. If you do,you will be sorry. If they have it today, half the class won’t come. If we ask people to bring food, they will just bring potato chips and chocolate. 以上几个句子中“if”有相同的含义“如果”，引导条件状语从句逗号后面的句子是主句。整个连起来的大句子叫主从复合句。 注意主句和从句的时态有什么特点。 总结：If引导的条件状语从句用一般现在时，主句用一般将来时。 简称“主将从现” 练习：（1）If you ______(come)here, you ___________(be) happy. (2) If it _________(rain) tomorrow, we__________(not, go) to the park. (3) If he _________(come) here, I ___________(call) you. (4) If it ___________(not rain), we _________(have) a picnic(野餐). (5) If we do that, more people _________(want) to play the games. 页脚内容1
if_条件状语从句的时态练习及答案_初中习题集 I.单项选择 1.If you _____ to the party, you’ll have a great time. a. will go b. went c. go d. going 2.It will be a long time ____ peter _____ his work. a. since, has finished b. after, finishes c. when, will finish d. before, finishes. 3. what will father _____ us from Japan? a. take b. bring c. carry d. make 4. Weifang is famous ______ kites a. for b. to c. on d. with 5． I____ her the answer if she ____me. a. can tell, will ask b. will tell, will ask c. would tell, ask d. will tell, asks 6. – what are you going to do tomorrow? --we’ll go to the library tomorrow if it ___. a. isn’t rain b. rain c. won’t rain d. doesn’t rain 7.—Do you know when he will come back tomorrow? --sorry, I don’t know. when he ____ back, I’ll tell you. a. comes b. will come c. come d. may come 8. what will you do if you _____ to the old folk’s home visit? a. go b. went c.going d. will go 9. If I eat ____ food, I’ll be very fat. a. too many b. many too c. too much d. much too 10.I’ll give the book to him if he ___ here next sunday. a. will come b. comes c. is coming d. came 11. There ____an english film in our school tomorrow. a. is going to have b. will have c. is going to be d. has 12.Could you tell us where ____？ a. will the next olympic games held b. the next olympic games will be held c. would the next olympic games be held d. the next olympic games would be held 13. When my mother returned last night,I ____ a book. a. read b. am reading c. was reading d. am going to read 14. What ____ you ____ when it began to rain? a. do, do b. were, doing c. are, doing d. did, do 15. I’ll wake you up when he ____back. a. will b. is going to come c. comes d. come II、用所给词的适当形式填空 1.If you _______(feel) tired, you ______(have) to have a rest. 2. Where _____ he ______(see) the film if he ________(have) time?
If条件状语从句专练 1. If I ___(go) to the party, they ___(be) upset. 2. If I ___(take) a taxi, it ___(be) too expensive. 3. If she ___(finish) work early, she can go home. 4. If the weather is fine, we ____(go) for a walk. 5. If I ___(have) time tonight, I will finish the book. 6. If it ___(rain) next Sunday, we won`t be able to plant trees. 7. If she ___(arrive) home, she will phone
me. 8. Unless you speak to him first, she ___(not speak) to you. 9. If he ___ (call) to you, tell him I will ring back. 10. I don`t know if it ___(rain) tomorrow. 11. Have a rest if you ___(be) tired. 12. Don`t come unless I ___(call) you. 13. I don`t know if he ___(come) tomorrow, but if he __(come), I`ll let you know. 宾语从句与状语从句混合 1. ——Helen, do you know if Martin
初中英语――if引导的条件状语从句 在主从复合句中修饰主句中的动词、形容词、副词等的从句叫做状语从句，状语从句一般可分为时间状语从句、地点状语从句、原因状语从句、目的状语从句、结果状语从句、条件状语从句、让步状语从句、比较状语从句和方式状语从句九种。 在句子中做条件状语的从句称为条件状语从句。可置于句首、句尾，有时还可置于主语和谓语之间。引导条件状语从句的连接词有：if ,unless,as/so long as等 1.if引导的条件状语从句 表示在某种条件下某事很可能发生。 If we pay much attention to the earth, we'll have a better world. 如果我们多关爱地球，就会拥有一个更美好的世界 If it rains tomorrow, what shall we do? 如果明天下雨，我们怎么办？ 注意：if还可以引导虚拟条件句，表示不可实现的条件，从句中多用一般过去时或过去完成时。 What would happen if there were no water ? 如果没有水会怎样？ 2.unless引导的条件状语从句 unless的意思是如果不，除非。可与if...not互换。 You will fail in English unless you work hard. 你英语考试会不及格的，除非你更加努力。 3.as /so long as引导的条件状语从句 as /so long as意思是“只要” So long as you're happy,i will be happy. 只要你高兴，我就高兴。 4.once引导的条件状语从句 once引导的条件状语从句，意为“一旦...，就”，从句可置于主句前或后 Once you begin,never stop. 一旦开始，就绝不要停止 Maths is easy to learn once you understand the rules. 一旦你理解了规则，数学就不难学了。 提示：在条件状语从句中，用一般现在时代替一般将来时，用一般过去时代替过去将来时。 If the weather is bad next week, we'll put off the climbing. 如果下周天气不好，我们将推迟爬山。 Father told me if i worked hard he would buy me a gift. 爸爸告诉我，如果我努力学习，他会给我买一份礼物。
在if 引导的条件状语从句中，if 和条件句位置灵活，可直接放在主句后面，若if 条件句放句首，从句后面要加逗号，和主句隔开。还要注意前后时态一致原则 一、用所给词的适当形式填空 1.If you ________(feel) tired, you _______________ (have) to have a rest. 3. If there __________(be) fewer trees, there _______________( be) more pollution. 5. If Marcia _____________(live) alone, she ___________________( keep) a pet parrot. 6. Lana ________________( buy) a new dress if the old one ____________(be) out of style. 9. Peter _____________( send) me a beautiful souvenir if he ________________(tour) Spain. 10. If Mr Green ___________(say) I am hard- working, my parents _________( feel) glad. 11.I ____________(go) to the beach if it________________ ( not rain) this week. 13.He ____(write) a letter to his grandparents if he ____(get) his report card this week. 14. If she ____________(get) up late, she _____________ ( not catch) the early bus. 15. Peter ________(major) in English if he ____(pass) the exams in Peking University. 16. 如果努力学习，你就会取得好成绩。 If you__________ _________, you ___________ good _____________. 17. 他如果看电视太久了，他的父母会不高兴。 If he _________ TV too much, his parents __________ __________ unhappy. 18. 如果我们为他组织生日聚会，大家都会来的。 Everyone ________________ if we _____________ a birthday party __________ him. 19. 如果明天不下雨，我会和你一起去公园的。 If it __________ __________ tomorrow, I ______________ go to the park _________ you. 21. 如果他有空，他会帮助你的。 If he _________________, he _________________ you. 23. 你如果抄同学的作业就不能学好各门功课。 You _______ _____ good at all the subjects if you ______ the other students’ homework. Ⅰ.单项选择（15分） 1.If you _____ to the party, you’ll have a great time. A. will go B. went C. go D. going 2. It will be a long time ____ Peter _____ his work. A. since, has finished B. after, finishes C. when, will finish D. before, finishes. 3. What will father _____ us from Japan? A. take B. bring C. carry D. make 4. Weifang is famous ______ kites. A. for B. to C. on D. with 5．I ____ her the answer if she ____me. A. can tell, will ask B. will tell, will ask C. would tell, ask D. will tell, asks 6. – What are you going to do tomorrow? --We’ll go to the library tomorrow if it ___. A. isn’t rain B. rain C. won’t rain D. doesn’t rain 7.—Do you know when he will come back tomorrow? --Sorry, I don’t know. When he ____ back, I’ll tell you. A. comes B. will come C. come D. may come 8. What will you do if you _____ to the old folk’s home visit? A. go B. went C.going D. will go 9. If I eat ____ food, I’ll be very fat.
if引导的条件状语从句 （一）定义 if引导的句子在复合句中表示条件，假如if从句的动作发生，主句的动作就（不）会发生，因此称为条件状语从句。 （二）位置 if 引导的条件状语从句位置灵活，可直接放在主句后面，也可以放在句首。放在句首时，从句后面要用逗号和主句隔开。 ① If I have enough money, I will travel around the world. ② I will travel around the world if I have enough money. （三）用法 ① Work hard, and you?ll pass the exam easily. 努力学习，你将很容易通过考试。 →If you work hard, you?ll pass the exam easily. ② Hurry up, or you?ll miss the train. 快点儿，否则你就赶不上火车了。 →If you don?t hurry up, you?ll miss the train. （3）当主句含有情态动词时，if引导的条件状语从句通常用一般现在时。 We must study hard if we want to pass the final exam. 如果想通过期末考试，我们必须努力学习。 （4）用含介词with或without的介词短语转换。 ① If you help me, I'll finish my job soon. →With your help, I'll finish my job soon. 如果你帮我，我将很快完成我的工作。 ② If there is no water, fish can?t live. → Fish can?t l ive without water. 离开水，鱼不能生存。 （四）if引导的条件状语从句与if引导的宾语从句的区别 if引导宾语从句时表示“是否”，位于及物动词之后； if引导的条件状语从句时表示“假如，如果”，位于句首或句中。 ①I don't know if he will come tomorrow. ②If he comes, I'll call you. 练习 一、选择题 1. _____ you don't go to bed earlier, you will feel tired in the morning. A. Unless B. If C. Though D. Until 2. Why not look up the new word in a dictionary _____ you don't know it? A. if B. that C. though D. whether 3. Talk to your teacher and you will get help _____ you have a problem. A. unless B. if. C. until D. so 4. I won't go to tomorrow's party _____ I'm invited. A. if B. unless C. when 5. The children will climb the hill if it _____ tomorrow.
滨淮农场学校九年级英语专题复习三：if引导的条件状语从句 一、用所给词的适当形式填空 you _______(feel) tired, you ____________ (have) to have a rest. 2. If there ________(be) fewer trees, there ____________( be) more pollution. 3. If Marcia __________(live) alone, she ____________( keep) a pet parrot. 4. Lana _______( buy) a new dress if the old one _________(be) out of style. 5. Peter ________( send) me a beautiful souvenir if he __________(tour) Spain. 6. If Mr Green _____(say) I am hard- working, my parents ________( feel) glad. 二、单项选择 （）you _____ to the party, you’ll have a great time. A. will go B. went C. go D. going （）2. It will be a long time ____ Peter _____ his work. A.since, has finished B. after, finishes C. when, will finish D. before, finishes. （）3. I ____ her the answer if she ____me. A. can tell, will ask B. will tell, will ask C. would tell, ask D. will tell, asks （）4. – What are you going to do tomorrow --We’ll go to the library tomorrow if it ___. A. isn’t rain B. rain C. won’t rain D. doesn’t rain （）5.—Do you know when he will come back tomorrow --Sorry, I don’t know. When he ____ back, I’ll tell you. A. comes B. will come C. come D. may come （）6. What will you do if you _____ to the old folk’s home v isit A. go B. went D. will go （）7. If I eat ____ food, I’ll be very fat. A. too many B. many too C. too much D. much too （）8. I’ll give the book to him if he ___ here next Sunday. A. will come B. comes C. is coming D. came
初中英语――if引导的条件状语从句 引导条件状语从句最常用的连词是if，常见的if条件状语从句表示在某条件下，某事很可能发生，条件是可能存在的，主句中某种情况发生的概率也是很高的。如： If you ask him，he will help you．如果你请他帮忙，他会帮你的。 If you fail in the exam，you will let him down．如果你考试不及格，你会让他失望的。 If you have finished the homework，you can go home．如果你作业做完了就可以回家了。 另外，if从句还表示不可实现的条件或根本不可能存在的条件，也就是一种虚拟的条件或假设。从句多用一般过去时或过去完成时，表示对现在或过去的一种假设。如： If I were you，I would invite him to the party．如果我是你，我会邀请他参加聚会。 I would have arrived much earlier if I had not been caught in the traffic．要不是交通堵塞，我本会来得早一些。 另外你还要注意if 条件句的时态搭配 1．if从句用一般现在时，主句用一般将来时 If he runs he’ll get there in time. 如果他用跑的，他就会及时赶到那儿。 The cat will scratch you if you pull her tail. 如果你拉猫的尾巴，它就会抓你。 2．if从句用一般现在时，主句用may/might/can If the fog gets thicker the plane may/might be diverted. 如果雾在大一些，飞机可能就会改在别的机场降落。 If it stops snowing we can go out. 如果雪停了，我们就可以出去。 3．if从句用一般现在时，主句用must/should If you want to lose weight you must/should eat less bread. 如果你想减肥，你必须少吃面包。4．if从句用一般现在时，主句用一般现在时 If you heat ice it turns to water. (也可用will turn)如果把冰加热，它就会化成水。 5．if从句用现在进行时，主句用一般将来时 If you are looking for Peter you’ll find him upstairs. 如果你是在找彼得，上楼就会找到他。6．if从句用现在完成时，主句用一般将来时 If you have finished dinner I’ll ask the waiter for the bill. 如果你吃完了，我就叫服务生来算账 注意： 学习" if " 引导的条件状语从句的用法,现在总结一下: if 条件句不一般,几个要点记心间; 条件句,放在前,逗号要放句中间。 条件句表可能，主句多用将来时；条件句表事实，主句常用现在时。 在if 引导的条件状语从句中，如果从句谈论的是一个有可能发生的事实及其产生的相关的结果，主句用一般将来时态，从句用一般现在时态。如： We can walk there if we can't find a bus . If it rains tomorrow ,we will not go to the zoo. What will you do if you find a panda in danger. 如果if 条件句谈论的是重复发生和预示要发生的情景和事件，则主从句大多用一般现在时态。如： If bears are in danger ,they attack people. 在if 引导的条件状语从句中，if 和条件句位置灵活，可直接放在主句后面，若if 条件句放句首，从句后面要加逗号，和主句隔开。还要注意前后时态一致原则
if引导的条件状语从句 if 1) 用法： (1)条件状语从句通常由连词if引导，意为“如果、假如”，主句不能用be going to表示将来，而应该用shall，will。 If you leave now, you are never going to regret it. (错误) If you leave now, you will never regret it. (正确) (2)if “如果”，引导条件状语从句，主句用一般将来时，从句则用一般现在时，如： If it rains tomorrow, I shan’t climb the hills. (3)另外，主句是祈使句或含有情态动词，从句也用一般现在时。如： Please call me if he comes next Sunday. Can you call the policeman if you are in the trouble. 注意宾语从句中的if与条件状语从句if的区别。宾语从句中的if“是否”相当于whether，引导宾语从句，时态需根据语境确定。如果主句用一般现在时，从句可以根据具体情况选用时态，如果主句用一般过去时，从句必须用过去式的某种形式。 I don't know if it will rain tomorrow. 我不知道明天是否会下雨。 Our teacher said there was going to be a football match the next month.我们说下月将有场足球比赛。 【边学边做】用括号内所给词的正确形式填空。 1. What will you buy if you ________（have）a lot of money? 2. If it ________（not snow）tomorrow, we will feel unhappy. 3. You mustn’t go to school if you ________（be）still in bed. 4. If he _______（be）at home at that time, he would know it. 5. Please show me the way if you ________（know）it. 6. You will hurt your teeth if you ________（eat）too much candy. 7. If you gave me a toy car, I _________（be）very happy. 8. I would get the prize if I _________（work）hard. 9．If she ______ (finish ) work early ,she ______(go) home. 10．If the weather______（be）fine，we_______(go)for a walk .