下载文档原格式
英语助动词的用法在英语里，英语动词可以分为实义动词，连系动词，助动词和情态动词四大类。
其中，助动词非常有限但不可或缺。
通常助动词在句中只有语法意义，其本身并无实际含义。
助动词的作用主要是帮助构成时态语态、疑问和否定等。
助动词be的用法1）be +现在分词，构成进行时态，例如：They are having a meeting.他们正在开会。
English is becoming more and more important.英语现在越来越重要。
He was watching TV when someone knocked at the door.2) be + 过去分词，构成被动语态，例如：The window was broken by Tom..窗户是汤姆打碎的。
English is taught throughout the world.世界各地都教英语。
3）be + 动词不定式（这种用法也被普遍认为是一种将来表达式），可表示下列内容：a. 表示最近、未来的计划或安排，例如：He is to go to New York next week..他下周要去纽约。
We are to teach the freshpersons.我们要教新生。
b. 表示命令，例如：You are to explain this.对此你要做出解释。
He is to come to the office this afternoon.要他今天下午来办公室。
c. 征求意见，例如：How am I to answer him?我该怎样答复他？Who is to go there?谁该去那儿呢？d. 表示相约、商定，例如：We are to meet at the school gate at seven tomorrow morning.我们明天早晨7点在校门口集合。
助动词have的用法1）have +过去分词，构成完成时态，例如：He has left for London.他已去了伦敦。
助动词用法大全助动词（Auxiliary Verb）是一类用于构成复合句子结构的动词，它们通常用于表达语气、时态、语态等语法意义。
下面是常见的助动词及其用法：1. be：用于构成进行时、被动语态、虚拟语气等。
进行时：He is studying.（他正在学习。
）被动语态：The book was written by him.（这本书是他写的。
）虚拟语气：If I were you, I would apologize.（如果我是你，我会道歉。
）2. do：用于构成疑问句、否定句、强调句等。
疑问句：Did you see the movie?（你看过这部电影吗？）否定句：I do not like coffee.（我不喜欢咖啡。
）强调句：I do like pizza.（我确实喜欢披萨。
）3. have：用于构成完成时态、完成进行时态等。
完成时态：He has finished his homework.（他已经完成了作业。
）完成进行时态：I have been working on this project for two weeks.（我一直在做这个项目，已经两周了。
）4. will/would：用于构成将来时态、过去将来时态等。
将来时态：I will go to the party tomorrow.（我明天会去参加聚会。
）过去将来时态：I would have gone to the party if I had been invited.（如果我被邀请，我本来会去参加聚会的。
）5. can/could：用于构成能力、请求、猜测等。
能力：I can swim.（我会游泳。
）请求：Could you help me with this?（你能帮我这个吗？）猜测：She might be coming late.（她可能会来晚。
）6. should/would：用于构成建议、假设等。
建议：You should take a break.（你应该休息一下。
助动词有哪些怎么用助动词就是协助主要动词构成谓语的动词。
很多人都不知道助动词有哪些。
今天就带大家了解一下助动词有哪些，以及怎么去用。
常见的助动词有哪些1.行为动词类：do, does, did1. 现在进行时态中的be动词：am, is , are ,2. 过去进行时态中的be动词：was, were3. 一般将来时态中的助动词：shall, will,4. 现在完成时态助动词： have, has5. 过去完成时态助动词：had6. 情态动词类：can, may, must, should, could, would, might, have/has to, used to,7. 被动语态助动词：be 的各种时态。
想要了解更多请点击助动词的种类及用法助动词应该怎么用助动词是协助主动词完成其谓语动词“时态”功能的词！也就是说助动词是主动词的帮手。
谓语部分的第一个词一定是“助动词”；谓语部分的最后一个词一定是“主动词”，谓语部分有超过两个以上的单词时，最后一个是主动词，主动词之前的都是“助动词”。
be to可以表达这两方面的意思，通常为了防止语义模糊/歧义（表将来or职责），朗文词典中提到建议使用情态助动词will或者should来代替be to.Helping Verb不能随便替换(即may, will, must, should, can等词不要随意替换，它们各自传达了不同的obligation)can等情态动词，表示eternalthings永恒的事物如定理等，要结合一般现在时使用有三种结构在句首时，需要考虑逻辑主语是否合适。
需要注意的是，当前后两句的时态不一致时，后一句就不能用助动词指代。
还有当前后两句的时态不需要一致时，后一句的助动词需要跟随句意，而非生硬照搬前一句的助动词。
还有助动词用的都是肯定语气，即使全句的句义是否定的。
助动词和情态动词的用法总结(1)助动词和情态动词是英语语法中非常重要的两个概念，初学者需要了解它们的用法，以便更好地掌握英语语法。
一、助动词的用法总结1. 助动词的作用助动词主要的作用是配合主动词构成完成时态、进行时态、被动语态和虚拟语气等等。
2. be 助动词的用法be 助动词用来构成进行时态和被动语态，其不同形式在不同时态中有不同的用法，如下：（1）现在进行时：am/is/are + 现在分词。
（2）过去进行时：was/were + 现在分词。
（3）现在完成时：have/has + 过去分词。
（4）过去完成时：had + 过去分词。
（5）被动语态：am/is/are/was/were + 过去分词。
3. have 助动词的用法have 助动词用来构成完成时态，其不同形式在不同时态中有不同的用法，如下：（1）现在完成时：have/has + 过去分词。
（2）过去完成时：had + 过去分词。
二、情态动词的用法总结1. 情态动词的作用情态动词主要用来表达说话人的态度或看法，表示命令、建议、推测、可能性、必要性等含义。
2. 情态动词的种类常见的情态动词有 can、could、may、might、shall、should、will、would、must、ought to 等。
3. 情态动词的用法（1）can/could：表示能力或许可。
（2）may/might：表示可能性或许可。
（3）shall/will：表示意愿或命令。
（4）should/would：表示建议或假设。
（5）must：表示肯定或必要性。
（6）ought to：表示义务或建议。
总之，助动词和情态动词的作用和用法在英语学习中十分重要，初学者应当加强了解和掌握，以便更好地运用于语言学习和交流中。
现在完成时构成：助动词have(has)+动词的过去分词基本用法：1）表示动作发生在过去某个不确定的时间,但对现在留下了某种影响和结果.常被just、already、yet 等副词修饰2）表示从过去某一时刻开始一直持续到现在的动作或状态.这个动作可能刚停止,可能仍然在进行.常带有for,since,in the past,in the last….,all this week,so far等表示一段时间的状语3）表示说话前发生过一次或多次的动作,现在成为一种经验,一般汉语译为“过”,常带有twice,ever,never,three times等时间状语肯定句:主语＋助动词have/has ＋过去分词＋其他这里的have/has是助动词,没有什么具体意义.当主语是第三人称单数时助动词用has,其余人称一律用have.has,have的缩略式分别为's或've.例如：1）I've just copied all the new words．我刚抄写了所有的生词.(表示不要再抄了)2）She has lost her books．她丢失了她的书.（表示到目前为止还没有找到）3）We've just cleaned the classroom．我们刚好打扫了教室.（表明现在教室是干净的）否定句:主语＋助动词have/has＋not＋过去分词＋其他现在完成时构成否定句时,只需在助动词have/has后面加not就行.have not,has not的缩略式分别为haven't ,hasn't.另外,肯定句中有some,already时,改为否定时要分别改成any,yet.例如：1）I haven't finished my homework yet．我还没有完成我的作业.2）He hasn't travelled on a train．他没有坐火车旅行过.3）We have never spoken to a foreigner．我们从来没有和外国人说过话.注：有时not可以用never代替,表示“从来没有”的意思.又如：4）I have never seen him before．以前我从来没有见过他.一般疑问式：助动词Have/Has＋主语＋过去分词＋其他把陈述句中的have或has放到句首,句末打问号,同时把句中的some,already改为any,yet就构成了一般疑问句.肯定回答用“Yes,主语＋have/has．否定回答用“No,主语＋haven't/hasn't．”有时也可以用“No,not yet./No ,never．/No,not even once．”等.例如：1）—Have you ever made dumplings?你曾经做过饺子吗?—Yes,I have．是的,我做过.2）—Has he ever been abroad?他曾经出过国吗?—No,never．不,从来没有.3）—Have they found the lost money yet 他们已经找到了丢失的钱吗?—Yes,they have．是的,他们找到了.注意：当句中有否定词not,hardly（几乎不）,never的时候,在改为反意疑问句时,附加部分用肯定形式.例如：You have never come to our school,have you?你以前从来没有来过我们学校,是吗?一般现在时概念：一般现在时表示经常的、习惯性的动作或存在的状态.2．构成：一般现在时的构成主要有两种形式：（1）be型：句子的谓语动词只有be（am,is或are）：a．肯定句中,只出现be,如：I am a student．我是一名学生.b．否定句中,要在be后面加not,如：She isn't a teacher．她不是教师.c．一般疑问句,要将be放在句子开头（注意句首字母大写）,句尾用问号,答语用Yes,主语+be．或No,主语+be+not．如：—Are you ready?—你准备好了吗?—Yes,I am．—是的,我准备好了.（—No,I'm not．—不,我没准备好.）（2）实义动词型：句中的谓语动词为实义动词（也叫行为动词）：a．肯定句中,只出现实义动词,如：I get up in the morning．我早晨起床.b．否定句中,要在实义动词前面加do（does）＋not,do（does）作助动词,本身无意义,常与not缩写成don't（doesn't）,如：I don't like vegetables．我不喜欢蔬菜.c．一般疑问句,要在句子开头加助动词Do（does）,句尾用问号,简略答语用Yes,主语+do（does）．或No,主语+do（does）＋not．如：—Do you like oranges?—你喜欢桔子吗?—Yes,I do．—是的,我喜欢.（—No,I don't．—不,我不喜欢.）11.1 一般现在时的用法1) 经常性或习惯性的动作,常与表示频腮度的时间状语连用.时间状语：every…,sometimes,at…,on SundayI leave home for school at 7 every morning.2) 客观真理,客观存在,科学事实.The earth moves around the sun.Shanghai lies in the east of China.3) 表示格言或警句中.Pride goes before a fall.骄者必败.注意：此用法如果出现在宾语从句中,即使主句是过去时,从句谓语也要用一般现在时.例：Columbus proved that the earth is round..4) 现在时刻的状态、能力、性格、个性.I don't want so much.Ann Wang writes good English but does not speak well.比较：Now I put the sugar in the cup.I am doing my homework now.第一句用一般现在时,用于操作演示或指导说明的示范性动作,表示言行的瞬间动作.再如：Now watch me,I switch on the current and stand back.第二句中的now是进行时的标志,表示正在进行的动作的客观状况,所以后句用一般现在时.一般过去时一般过去时表示过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为；过去主语所具备的能力和性格。
英语助动词be、have和do摘要英语助动词是一类没有实际意义，但可以帮助构成各种时态、语态、疑问句、否定句等的词。
英语中有三个基本的助动词，分别是be、have和do。
这三个助动词在英语中有着重要的作用，不仅可以作为助动词，还可以作为实义动词或系动词。
本文将介绍这三个助动词的形式、用法和搭配，并通过表格和例句来说明它们的区别和联系。
一、be 助动词1. be 助动词的形式be 助动词有以下几种形式，根据主语的人称、数和时态而变化：人称单数复数第一人称am are第二人称are are第三人称is are时态过去式现在式将来式一般时was/were am/is/are will be进行时was/were being am/is/are being will be being完成时had been have/has been will have been2. be 助动词的用法be 助动词主要有以下几种用法：与现在分词构成进行时态，表示正在进行或发生的动作或状态。
例如：He is reading a book. 他正在读一本书。
They were playing soccer yesterday. 他们昨天在踢足球。
She will be working tomorrow. 她明天会在工作。
与过去分词构成被动语态，表示主语承受或遭受的动作或状态。
例如：The door is locked. 门被锁上了。
The cake was made by her. 蛋糕是她做的。
The book will be published next month. 这本书下个月会出版。
与不定式构成不定式结构，表示主语的打算、计划、安排或义务等。
例如：He is to leave tomorrow. 他明天要离开。
They were to meet at the station. 他们本来要在车站见面。
You are not to smoke here. 你不可以在这里抽烟。
英语助动词有哪些英语中常见的助动词包括：1.行为动词类：do, does, did1. 现在进行时态中的be动词：am, is , are ,2. 过去进行时态中的be动词：was, were3. 一般将来时态中的助动词：shall, will,4. 现在完成时态助动词： have, has5. 过去完成时态助动词：had6. 情态动词类：can, may, must, should, could, would, might, have/has to, used to,7. 被动语态助动词：be 的各种时态.情态动词与助动词1、can能，可以，表说话人同意，许可还可表客观条件许可，如:You can go now.提建议或请求时可用can I, can you表客气，如Can I buy you a drink?2、may(1)可以，表说话人同意，许可或请求对方许可。
You may go.(2)(现在和将来)可能，也许，只用于肯定句和否定句中，如He may not be right.3、must, have tomust表主观上的必须，have to表客观上的必须，如: It's getting late. I have to go. -Must I go now. -Yes, you must. (No, you needn't./ No, you don't have to.)4、need, dare这二词有实意动词和情态动词两种词性，如用作实意动词后接动词不定式to do，如用作情态动词后接动词原形。
NeedI go now? --Yes, you must./No, you needn't.)5、shall用于第一人称疑问句中表说话人征求对方的意见或向对方请求，如，Shall we begin our lesson?用于二、三人称陈述句，表说话人命令、警告、允诺、威胁等口吻，如: You shall fail if you don't work harder.6、should表应该，意为有责任，有义务。
助动词与情态动词的使用方法助动词和情态动词是英语中常用的两类动词。
它们在句子中用于帮助其他动词表达时态、语态、情感、能力等意思。
了解和正确运用助动词和情态动词是提高英语表达能力的重要一步。
助动词1. 助动词常用于构成肯定、否定和疑问句，以及进行时态和完成时态的表达。
- be 动词（am, is, are, was, were) 用于构成进行时态，表示正在进行或进行的动作。
- have 动词（have, has, had) 用于构成完成时态，表示已经完成的动作。
- do 动词（do, does, did) 用于否定句和疑问句，以及强调句。
2. 助动词还可以用于表示推测、可能性、必要性和建议等含义。
- can 表示能力、允许或请求。
- could 表示过去的能力、允许或请求，也可用于委婉语气。
- may 表示许可、可能性或请求。
- might 表示过去的可能性或委婉语气。
- shall 表示义务、建议或请求。
- should 表示应该、建议或可能性。
- will 表示将来的意愿或行为。
- would 表示过去的意愿、惯或委婉语气。
情态动词1. 情态动词通常以原形形式出现，后面不再接动词的第三人称单数形式（-s），也不使用助动词 do。
2. 情态动词用于表示情感、能力、建议、义务、可能性等含义。
- can 表示能力、许可或请求。
- could 表示过去的能力、许可或请求，也可用于委婉语气。
- may 表示许可、可能性或请求。
- might 表示过去的可能性或委婉语气。
- shall 表示义务、建议或请求。
- should 表示应该、建议或可能性。
- will 表示将来的意愿或行为。
- would 表示过去的意愿、惯或委婉语气。
- must 表示必须、肯定性推测或强烈建议。
- ought to 表示应该、理应或强烈建议。
示例用法1. 助动词的用法示例：- She is studying for her exams.（进行时态）- They have visited Paris.（完成时态）- Do you like ice cream?（否定句）- Did he go to the party?（疑问句）- I do love chocolate!（强调句）2. 情态动词的用法示例：- You can speak English fluently.（能力）- Could you pass me the salt, please?（请求）- She may be late for the meeting.（可能性）- I should study for the exam.（建议）- They will arrive at 8 p.m.（将来意愿）- He must be tired after working all day.（肯定性推测）通过理解和熟练运用助动词和情态动词，我们可以更准确地表达自己的意思，并使句子更具表达力和准确性。
助动词和情态动词的用法总结-V1以下是助动词和情态动词的用法总结：
一、助动词
1. 肯定形式：
（1）表示一般现在时：am, is, are
（2）表示一般过去时：was, were
（3）表示现在进行时：am, is, are
（4）表示过去进行时：was, were
（5）表示现在完成时：have, has
（6）表示过去完成时：had
2. 否定形式：
在助动词后面加not
3. 疑问形式：
将助动词放在主语之前
二、情态动词
（1）表示“可能性、能力、许可性、必然性、意愿、建议、命令”等意义
（2）能够强调语气、表达说话人的态度和情感
（3）情态动词后面跟动词原形
常见情态动词：
1. can：能够，会
2. could：能够，可以（过去式）
3. may：可能，可能性
4. might：可能，也许（过去式）
5. must：必须，一定
6. shall：将，应该
7. should：应该，应当
8. will：将会，愿意
9. would：会，愿意，宁愿（过去式）
以上是助动词和情态动词的用法总结。
在日常英语学习中，助动词和情态动词的使用频繁，需要多加练习并注意它们的特点和用法。
英语助动词时态语态用法大全动词时态和语态（1）一、动词的分类和形式：动词是表示动作和状态的词。
动词有时态、语态和语气3种形式的变化。
1、动词按其能否独立作谓语而分为：“谓语动词”和“非谓语动词”两种2、动词的4种基本形式：动词原形、过去式、过去分词和现在分词。
3、动词按其构成动词词组作用分为：实义动词、连系动词、情态动词和助动词。
1）实义动词分为及物动词和不及物动词。
还可分为持续性动词和瞬间动词；2）连系动词有两种：一种表特征或状态，另一种表状态变化过程。
4、五种不同的短语动词：1）“动词+介词”；2）“动词+副词”；3）“动词+副词+介词”；4）“动词+名词（或代词）+介词”；5）“be+形容词（包括相当于形容词的过去分词+介词”。
二、动词的时态：1、一般现在时的用法：1）表示现在的习惯，经常发生的动作或存在的状态。
2）表示主语的特征、性格和能力。
3）表示客观事实或真理。
4）表示按照计划安排好的将来行为。
（只限于是go,come, leave, start, stop, be等开始或移动意义的词。
）2、一般过去时的用法：1）表示过去的动作或状态。
2）叙述过去连续发生的事情。
3）表示过去一段时间内经常发生的动作。
3、一般将来时的用法：1）表示将来的动作或状态。
2）表示将来的经常动作。
4、现在进行时的用法：1）表示说话时正在进行的动作。
2）表示现阶段正在进行的动作。
（说话时动作不一定进行。
）5、过去进行进的用法：1）过去某一时刻或某一段时间内正在进行的动作。
2）表示移动的动词：come, start, stay, leave, go等词的过去进行时可以表示过去的将来要发生的动作。
3）was going to do可以表示在过去某一时间之后发生的动作。
6、现在完成时的用法：1）表示刚刚完成的动作，常与just连用。
2）表示过去发生而持续到现在的动作或状态，甚至延续到将来。
常与since, for连用，但for, since不能与终止性的动词连用。
3）表示过去的动作对现在造成的影响或结果。
7、现在完成时与一般过去时的区别：1）现在完成时与现在有联系，它表示过去的动作对现在所产生的结果、影响。
一般过去时通常表示在过去某一具体时间发生的动作，与现在没什么联系。
2）现在完成时表示过去延续到现在的行为；一般过去时着重过去某一时刻的某一具体动作。
8、过去完成的用法：1）表示在过去某一或动作之前已经完成的动作。
常与by, before等介词短语或一个状语从句或上下文暗示。
2）表示由过去某一时间开始，一直延续到过去另一时间的动作，常和for（有时可省去）或since 构成的短语或since引导的从句连用。
9、过去将来时的用法：表示对于过去某一时刻而言将要发生的动作或存在的状态。
练习一：动词时态与语态（1）1. When I saw Mary, she ______ on the piano.A. is playingB. playsC. was playingD. played2. She ______ the door before she goes away.A. had lockedB. is lockingC. has locked.D. was locking.3. A hunter is a man who ______ animals.A. catchB. catchesC. will catchD. was catching4. What _____ if I drink this?A. happensB. is happeningC. will happenD. is happened5. I will visit you if Father ______ me.A. letB. letsC. is lettingD. will let6. Look out! That tree _____ fall down.A. is going toB. will beC. shallD. would7. My uncle _____ to see me. He'll be here soon.A. comesB. is comingC. had comeD. came8. They can't leave until they _____ their work.A. didB. are doingC. have doneD. has done9. "Has he seen this film?" " Yes. He ______ it several days ago. "A. sawB. has seenC. had seenD. was seeing10. Now Mike isn't here. He ______ Mr Green's. Perhaps he ______ back in a few minutes.A. went to; is comingB. has gone to; will comeC. has been to; will beD. is going to; has come11. That day he ._______ his clothes before he came to see me.A. has washedB. washedC. had been washingD. was washed12. I haven't finished my composition. I ______ for two hours and a half.A. have written itB. have been writing itC. wrote itD. am writting it13. I will take my daughter with me when I _____ ShangHai,A. go toB. will go toC. have been toD. have gone to14. This bright girl ______ the truth in front of the enemy.A. didn't sayB. couldn't speak toC. saidD. didn't tell15. The bridge which ______ last year looks really beautiful.A. was builtB. builtC. was set upD. had been built16. " When ______ school begin?" " Next Monday. "A. hasB. doesC. didD. is going to17. I will ______ here till you give me some money.A. leaveB. not leaveC. comeD. return18. I _____ here since I moved here.A. will workB. workedC. workD. have been working19. Every time I _____ there, I will buy him something nice.A. wentB. will goC. goD. have gone20. It was said that his father ______.A. has diedB. died.C. has been deadD. had died21. We won't go unless you ______ soon.A. had comeB. cameC. will comeD. come22._____six years since I began studying English.A. They have beenB. it isC. It wasD. There are23. They ______ the Summer Palace three times.A. have gone toB. have been toC. have been inD. have gone into24. "How long haven't we seen each other? ""Well, it _____ nearly two years since we ______ last. "A. is/have metB. was/had metC. is/metD. has been/had met25. "Have you seen the art exhibition?" "No, _____ there. "A. it was not being heldB. they didn't holdC. it had not heldD. they were holding it26. Don't get off the bus until it ______.A. stopB. will stopC. stoppedD. has stopped27. "Where ______ the recorder? I can't see it anywhere." "I _____ it right here. But now it's gone. "A. did you put/have putB. have you put/putC. had you put/was puttingD. were you putting/have put28. They asked me to have a drink with them. I said that it was 10 years since I ______ a good drink.A. had enjoyedB. was enjoyingC. enjoyedD. had been enjoying29. Don't come tonight. I would rather you _____ tomorrow.A. comeB. cameC. will comeD. coming30. ______ you ______?A. Do/marryB. Have/marriedC. Have/been marriedD. Are/married31. When he ______ all the newspapers, he'll go home.A. sellsB. has soldC. will have soldD. will be sold32. "This cloth _____well and _____ long. ""Ok. I'll take it. "A. washes/lastsB. is washed/lastedC. washes/is lastedD. is washing/lasting33. "Hurry up, you ______ on the phone. " "Oh, I'm coming. Thank you. "A. are wantedB. are being wantedC. wantD. are wanting34. I ______ see you, but I didn't, for I had no time.A. had wanted toB. has wanted toC. wantedD. was wanted35. I ______ in Guang Zhou for six years by this October.A. have livedB. was livingC. will be livingD. shall have lived36. By this time next year he ______ from the college.A. will be graduatingB. should be graduatingC. will have graduatedD. is graduating37. Our teacher told us that the earth _____ from west to east.A. turnsB. turnC. has turnedD. had turned38. My brother _____ while he _____ his bicycle and hurt himself.A. fell/was ridingB. fell/were ridingC. had fallen/rodeD. had fallen/was riding39. Bill said he ____ twenty-one the next year.A. was going to beB. was about to beC. could beD. was to be40. It is time you _____ in bed now.A. areB. wereC. will beD. would be41. After a while an agreement _____.A. was arrived atB. was arrived inC. was arrivedD. has been arrived42. The air liner from Beijing _____ at 3:00 p.m.A. is about to arriveB. has arrivedC. arrivesD. is going to arrive43.______,that step is not safe!A. Look aroundB. Look upC. Look outD. Look down44. "Have you _____ him to give up smoking?" "No. I _____, but he wouldn't listen."A. persuaded/triedB. tried/persuadedC. tried/triedD. persuaded/persuaded45. The research laboratory is going to ______ the new type of computer to use.A. takeB. makeC. putD. send46. I don't know when he ______, but when he ______, I'll let you know.A. will come/comesB. comes/will comeC. comes/comesD. will come/will come47. How much do you think that vase _____?A. is costB. usedC. was paid forD. cost48. I _____ that he would be able to leave tomorrow, but it's beginning to look diffcult.A. hopeB. had hopedC. hopedD. am hoping49. “Come on, Peter, I want to show you something.”“Oh, how nice of you, I _____ you _____ to bring me a gift.”A. never think/are goingB.have never thought/ were goingC. didn’t think/ are goingD. hadn’t thought/ were going50. It’s a nice flat, but it _____ a proper bathroom.A. haven’t gotB. hasn’t gotC. wouldn’t getD. doesn’t have got51. She had a shock when she heard the news, _____?A. hadn’t sheB. didn’t sheC. wouldn’t sheD. won’t she52. This liquid _____ the salt at room temperature.A. became mixed withB. was mixed byC. mixes withD. has been mixing by练习一、1~5 CCBCB 6~10 ABCAB 11~15 CBADA 16~20 BBDCD 21~25 DBBCA 26~30 DBABD 31~35 BAAAD 36~40 CAAAB 41~45 ACCAC 46~50 ADBBB51~52 BC英语中的时态用法比较研究1. 现在一般时与现在完成时1) I come from Shanghai(上海人）I have come from Shanghai（从上海来）2) You read very well. (强调能力）You've read very well. （强调一次刚完成的动作）3) I forget.(一时想不起来了）I have forgotten.（仍没想起来，可能已回忆起来了）4) The book is written in simple English. (表状态）The book has been written in simple English.（表动态，已用英语写成）5) Every time I see him, he's been reading. （两个动作不可能同时进行）Every time I have seen him, he's been reading. (强调两个动作同时进行）6) He is gone. (强调状态）He has gone （强调动作和时间）7) He won't come till the play begins. (演出开始时）He won't come till the play has begun.（戏已开始）8) After I leave school, I'll go to college. （两个动作紧密相接）After I have left school, I'll go to college.（强调毕业后，两个动作可能有间隔）9) It is a long time since I saw you last. It's been a long time since I saw you last.(这两句话一样，后一句是美国英语）10) Where are you? (在哪）Where have you been?(去了哪）2. 现在一般时与现在进行时1) He works hard.（强调始终如一）He is working hard.（强调现在）2) What do you do? (干什么工作的）What are you doing?（在干什么）3) Here comes the bus! (表高兴和欣慰）The bus is coming.（汽车到来的情景）4) I forget him name. I'm forgetting his name.(差点把他的名字忘了）5) You don't eat much. (强调胃口不大）You're not eating much.（你怎么不吃呀）6) The match starts at 7 o'clock. (比较固定，不宜改变）The match is starting at 7 o'clock.（可以改变）7) Tom always comes late. Tom is always coming late.(表示不满，责备）8)Tom goes to college now.Tom is going to college now.(这两句区别不大，后者更生动）9）I tell you.（我可以告诉你）I'm telling you.(我告诉你吧，有感情色彩）10) He always sleeps in the afternoon.He is always sleeping in the afternoon.(后者意味着整个下午都睡掉了）11) I expect you to phone me. ( 几乎等于命令）I'm expecting you to phone me.（婉转）12) What do you say? What are you saying?(你说些什么呀，表说话人惊讶，不满）12) I find that the book is too difficult for me.(强调结果）I'm finding that the book is too difficult for me. (强调过程，逐渐感到）13) Apples cost more these days.(强调事实)Apples are costing more these days.(越来越贵)14) He always thinks of others.He's always thinking of others.(表示赞扬)15) Whenever I see him, he argues with somebody.(强调两个动作有先后) Whenever I see him, he is arguing with somebody.(强调两个动作同时进行)16) I hope you'll give us some advice.I'm hoping you'll give us some advice.(表示语气婉转)17) I must go. (我应该去)I must be going.(我该走了)18) We can discuss this while we eat.(说话是没用餐)We can discuss this while we are eating.(进餐已开始)3. 现在完成时与过去一般时1) I've seen him this morning.(还在上午的时间里)I saw him this morning.(时间已不在上午了)2) Who's opened the window? (窗户还在开着)Who opened the window? (与现在无关,窗户可能已关上)3) Have you ever heard him sing? (他可能不是爱唱歌)Did you ever hear him sing?(你曾听过他唱歌吗,他可能是歌唱家)4) Have you ever heard of such a thing? (你听过这种事吗)Did you ever hear of such a thing?(这种事, 你听说过吗? 是一个修辞性问题，表示惊异。
