初中英语八大时态精讲(附动词时态练习)

1、初中英语八大时态全套精讲般现在时的用法一、一般现在时1) 经常性或习惯性的动作，常与表示频度的时间状语连用。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 fal跻者必败。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：

2、 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 backB二旬中

3、的 nowH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。二 . 构成及变化1、be动词的变化肯定何：主语+be(am,is,are)+M它。如：I am a boy.我是一个男孩。否定何：主语+ be + not + 其它。如：He is not a worker他不是工人。一般疑问句：Be +主语+其它。如： -Are you a student?-Yes. I am. / No, I'm not.特殊疑问句：疑问词+一般疑问句。如： Where is my bike?2、行为动词的变化当主语为第一，二人称及复数时，助动词为do肯定句：主语+动词原形(+其它)。

4、如：We often play basketball after school.否定何：主语 + don't+动词原形(+其它)。如：we don ' t play basketball after schol.一般疑问句： Do+主语+动词原形+其它?如： Do youoften play basketball afterschol l? Yes, we do. / No, we don't.特殊疑问何：疑问词+以do开头的一般疑问旬？如：What do you often do after schol ?当主语为第三人称单数时,助动词为 does肯定句：主语+动词三

5、单式(+其它)。如：He swims well.否定句：主语 + doesn 动词原形 t+(+其它)。如：He doesn t swim well.一般疑问句： Does +主语+动词原形+其它。如： Does he swim well ?Yes, he does. / No, he doesn't.特殊疑问句：疑问词+以doesff头的一月疑问句?如： How does your father go to work?三、第三人称单数的动词变化规则(只有在第三人称为主语的肯定句中，动词才用三单式)(1)多数动词直接加s:runs gets likes collets takes pl

6、ays climbs(2)结尾是s, x, sh, ch,矶为辅音字母，结尾加es :watches teaches goes does washes crosses mixes brushes(3)动词末尾y前为辅音：将y改为i加es:studyfstudies fly fflies carry fcarries cry fcries但在y前如果为元音则直接加s:buys says一般过去时的用法一、一般过去时1、在确定的过去时间里所发生的动作或存在的状态。时间状语有：yesterday, an hour ago, theother day, in 1982 yesterday mornin

7、g(afternoon, evening )last night (week, month, year ),a moment ago , a week ago, three years ago just now,Where did you go justnow?2、表示在过去一段时间内，经常性或习惯性的动作。When I was a child, I often played football in the street.Whenever the Browns went during their visit, they were given a warm welcome.3、句型：It is

8、time for sb. to do sth'至U时间了 ""该 了"It is time sb. did sth.'时间已迟了 ""早该了”It is time for you to go to bed该睡觉了。It is time you went to bedB；早该睡觉了。would （had） rather sb. did sthE示'宁愿某人做某事'I'd rather you came tomorrow.4、wish, wonder, think, hop巡用过去时，作试探性的询问、请求、建

9、议等。I thought you might have some® 以为你想要一些。比较：一般过去时表示的动作或状态都已成为过去，现已不复存在。Christine was an invalid all her life.（含义：她已不在人间。）Christine has been an invalid all her life.（含义：她现在还活着）Mrs. Darby lived in Kentucky for seven years.（含义：达比太太已不再住在肯塔基州。）Mrs. Darby has lived in Kentucky for seven years.（ 含义：现

10、在还住在肯塔基州，有可能指刚离去）注意：用过去时表示现在，表示委婉语气。1） 动词 want, hope, wonder, think, intend1。Did you want anything else? I wondered if you could help me.2）情态动词could, would.Could you lend me your bike?3） used to / be used toused to + do： ' 过去常常 ' 表示过去习惯性的动作或状态，但如今已不存在。Mother used not to be so forgetful.Scarf

11、 used to take a walk.过去常常散步）be used to + doing对已感到习惯，或"习惯于"，to是介词，后需加名词或动名词。He is used to a vegetarian diet.Scarf is used to taking a walk现在习惯于散步）典型例题Your phone number again? I _ quite catch it.It's 69568442.A. didn'tB. couldn'tC. don'tD. can't答案 A. 本句虽没有明确的时间状语，但从语意上看出

12、，在听的时候没有听懂这个动作发生在过去，因此应用过去时。二、构成及变化1、Beli词在一般过去时中的变化：am 和isft般过去时中变为 was。 (was not=wasn ' t)are在一般过去时中变为 were。(were not=weren ' t)带有was<were的句子，其否定、疑问的变化和is, am, are一样，即否定何在 wasg£were后力口 not, 一般疑问句把 wasEwere调到旬首。2、 行为动词在一般过去时中的变化：肯定句：主语+ 动词的过去式.I watched a film last Sunday .否定句：主语+ d

13、idn 动词原形 t +.I didn t watch a film last Sunday .一般疑问句：Did+ 主语 + 动词原形 ?Did you watch a film last Sunday ? Yes, I did . No , I didn t .特殊疑问句：疑问词+ 以 did 开头的一般疑问句?What did you do last Sunday ?现在进行时一、意义 当表示现在正在进行的动作或正在发生的事。时间标志now, 旬前的look ,listen二、构成：be (am, is ,are )钊词现在分词-ing形式肯定句：主语+ be +现在分词V-ing (+

14、 其他 )I m doing my homework now .否定何：主语+be+not+动词-ing +其他.I m not doing my homework now.一般疑问旬：Be+主语+动词-ing +其他？Are you doing your home work now?Yes, I am . No , I m not .特殊疑问旬：特殊疑问词+be+主语+动词-ing+其他？What are you doing now ?三、现在分词的构成：1、 一般在动词末尾直接加ing,2、以不发音字母寻尾的动词，先去掉e,再加ing,fwriting have如 skate fskati

15、ng make fmaking dance f dancing writehavingride f riding come f coming3、 以重读闭音节结尾的动词，中间只有一个元音字母，词尾只有一个辅音字母，应双写末尾的辅音字母，再加ing, 如： putting running beginning stoppingswimming shoppingjogging sitting getting forgetting letting四、现在进行时的基本用法：a. 表示现在 ( 指说话人说话时) 正在发生的事情。We are waiting for you.b. 习惯进行：表示长期的或重复

16、性的动作，说话时动作未必正在进行。Mr. Green is writing another novel.(说话时并未在写，只处于写作的状态。)She is learning piano under Mr. Smith.c.表示渐变的动词有： get, grow, become, turn, run, go, begi n。The leaves are turning red.It's getting warmer and warmer.d.与always, constantly, foreve等词连用，表示反复发生的动作或持续存在的状态，往往带有说话人的主观色彩。You are alw

17、ays changing your mind.典型例题My dictionary _, I have looked for it everywhere but still_ it.A. has lost, don't findB. is missing, don't findC. has lost, haven't foundD. is missing, haven't found.答案 D. 前句是一个仍在持续的状态，应用进行时，由于没有找到，其影响仍然存在，应用完成时，瞬间动词用于否定式时可用于完成时。五、 不用进行时的动词1) 事实状态的动词have, b

18、elong, possess, cost, owe, exist, include, contain, matter, weigh, measure, continueI have two brothers.This house belongs to my sister.2) 心理状态的动词Know, realize, think see, believe, suppose, imagine, agree, recognize, remember, want, need, forget, prefer, mean, understand, love, hateI need your help.

19、He loves her very much.3) ) 瞬间动词 accept, receive, complete, finish, give, allow, decide, refuse.I accept your advice.4) 系动词seem, remain, lie, see, hear, smell, feel, taste, get, become, turn You seem a little tired.过去进行时1、概念：过去进行时主要表示过去某一时刻正在进行的动作，或表示过去某一阶段一直在进行的动作2、过去进行时的主要用法是描述一件事发生的背景；一个长动作发生的时候，

20、另一个短动作发生。3、 常用的时间状语this morning, the whole morning, all day yesterday, from nine to ten last evening, when,whileMy brother fell while he was riding his bicycle and hurt himself.It was raining when they left the station.When I got to the top of the mountain, the sun was shining.典型例题1) Mary _ a dress

21、when she cut her finger.A. madeB. is makingC. was makingD. makes答案C.割伤手指是已发生的事情，应用过去时。同时，wheng时间的同时性，" 玛丽在做衣服时" 提供事情发生的背景，因此用过去进行时。2) As she _ the newspaper, Granny _ asleep.read； was fallingB. was reading； fellC. was reading； was fallingD. read； fell答案B.句中的as = when, while,意为"当之时”。描述

22、一件事发生的背景时，用过去进行；一个长动作发生的时候，另一个短动作发生。句意为"在她看报纸时，奶奶睡着了。“句中的fell (fall的过去时)，是系动词，后跟形容词，如：fallsick。一、过去进行时结构：was/were呦词的现在分词否定句则在 was/weref力口一个not,疑问句将was/wer耽前则可。如： He was reading a bookat 5:00pm yesterday.f He was not reading a book at 5:00 yesrday.fWas he reading a book at 5:00 yesterday? (Yes,

23、he was./ No, he wasn' t.)fWhat was he doing at 5:00 yesterday?二、过去进行时用法：1. 过去进行时主要表示过去某个时刻正在进行的动作，常和表示过去的状语连用。如：(just) then那时，当时 at this/that time 在这/那时yesterday afternoon天下午at nine 在九点 last night 昨晚（at） this time yesterdayt昨天这个时候但在不少情况下，没有表示时间的状语，这时需要通过上下文来表示。 What were you doing atninelastnigh

24、t? 昨晚九点的时候，你在做什么？ I was watching TVat home yesterdayafternoon. 我昨天下午正在家里看电视。 They were playing football atthistimeyesterday. 天这个时候他们在踢足球。2.过去进行时也可以表示过去某一段时间内正在进行的动作。常与those days,the whole morning,from 8:00 to 12:00 last nighf 时间状语连用。（1） From1983to1998, he was teaching at Yaleil1983到 199阶，他正在耶鲁大学教书。（

25、2） They were building a bridgelastwinte去年冬天他们正在造 座桥。（3） He was writing a book thosedays! B几天他正在写一本书3 .过去进行时与频度副词alwaysforever, continually, constantl毋连用时表示过去经常反复的动作，常常带有埋怨、讨厌、赞扬或喜爱等情绪。（1） My sister was always forgetting things|示埋怨） He was always helping others浅示赞扬）4 . 过去进行时表示过去将要发生的动作。现在进行时可以表示将来的动作

26、，同样，过去进行时也可以表示从过去某时看来将要发生的动作，常用在间接引语中。 Lucy arrived in Beijing last Friday.But shewas leaving for Hong Kong the next morning.上周五Lucy到达北京，但第二天早晨就要动身去香港了。 She asked him ifhe was coming back for lunch. 她问他午饭是否准备回来吃。5、过去进行时和一般过去时的区别。（ 1）过去进行时表示过去某时正在进行的动作，而一般过去时则表示一个完成的动作。也就是说用一般过去时，只表示有过这件事；用过去进行时，则强调动

27、作的连续性。 I wrotea letterthis morning. 今天上午我写了一封信。（信写完了）I was writing a letterthis morning. 今天上午我在写一封信。（信不一定写完） The children watched TV yesterday evening.昨天晚上孩子们看了 电视。（强调过去发生了这件事）The children were watching TV yesterday evening.昨晚孩子们者 B 在看电视。（强调昨晚看电视这一动作的持续性）(2) 表示过去的状态、感觉及心理活动的静态动词(如 be， like， love， ha

28、te， fear，own, hear, see know, want, notice阿用于一般过去时，但通常不用于进行时。如：I hated it when a man spoke with his mouth full of foocK 讨厌人们说话时 口 里含着食物。(3)般过去时与 always, constantly, forever, continuall冷连用，表示 过去经常性、习惯性的动作”; 而过去进行时与always， constantly， forever，continually等连用，表示动作白重复，常带有感*彩。如：He always got up at six他过去总

29、是六点起床。He was always thinking of his work他总是 心想至 U工作。(4) 有时过去进行时可以用来替换一般过去时，但一般过去时表示主语的行为是经过认真考虑的;而过去进行时表示一种较随便或没有进行仔细考虑的行为。如：I thought that he would agree with us我原以为它会同意我们的。I was thinking of persuading him to follow my advice想至 U 了要说® 他接受我们的建议6、 使用过去进行时应注意的几点(1)动词hope, wonde曲的过去进行时常用来表示提出要求，虽然

30、表示现在的内容，但语气比一般现在时或一般过去时要委婉。如：I was wondering whether you could come to join us.想你能否过来跟我们 起活动 ?7、 下面几种情况不用一般过去时而要用过去进行时：(1) .表示过去某一阶段暂时性的习惯动作时。如：Tom was getting up at six o ' clock every day thOftweekr 周里每天者B是六点钟起床。(2) .与always1用表示赞美，厌烦等感情色彩时。如：John was always coming to school late.翰上学总是迟至 U。Lei

31、Feng was always doing good deeds for the people锋总是为人民做好事。(3) 用来描写故事发生的情景时。如：It was a dark night. The wind was blowing hard and the rain was falling heavily.A PLA man suddenly appeared on the river bank. He wanted to cross the river.那是一个漆黑的夜晚，风刮得很厉害，雨下得很大，一个解放军战士突然出现在河岸上，他想过河去。(4) when乍并列连词，表示“这时)突然”

32、之意时，第一个并列分句用过去进行时，when引导的并列分句用一般过去时。如：I was taking a walk when I met him.我正在散步，突然遇见了他。We were playing outside when it began to rainife们正在外边玩，这时下起雨来go, come, leave, start, arriv电动词可用过去进行时表示过去将来的含义。如：I was leaving for Wuhan that day.那天我正要去武汉。She was coming later 她随后就来。8、过去进行时表示婉转语气（只限于want, hope, wond

33、e曲动词），用以提出请 求。如：I was wondering if you could help me.I was hoping you could send me home.三、when, while的用法whe用口while与过去进行时有着密切的关系，他们作从属连词时都有当.时候”之意,用法稍有不同：when引导的时间状语从句的谓语动词可以是短暂性动词，也可以是延续性动词，而while引导的时间状语从句中的谓语动词只能是延续性动词。when引导的从句谓语动词如果是短暂性动词则用一般过去时，主句是延续性动词则用过去进行时，从句动作发生在主句动作的时间段之内（长动作用过去进行时，短动作用一般

34、过去时）；如果主句和从句两个谓语动词都是延续性动 词则全部用过去进行时，这时whe用口while都可以用。when从句的谓语动词可以在主句谓语动作之前、之后或同时发生；while和as从句的谓语动作必须是和主句谓语动作同时发生。whe用口while两个词还可以用作并列连词，但意思不同，when相当于 在那时”，等于atthat time或just then;而while则相当于 而；去|3；但是"；相当于but, 表示对比关系。（这一点暂时可以不掌握）when +短/延 while + 延eg. I was playingcomputer games whenmy father go

35、thome.=Whenmy father gothome,I was playingcomputer games.(2) Mother was cookingwhen/whileI was doingmy homework.=When/WhileI was doingmy homework, mother was cooking.过去进行时巩固练习：(聪明的你一定能全部做对)1. Simon(make) a model plane at8:00a.m.2. Peter(do)his homework atsevenlastnight.3. They(watch) a football matc

36、hfrom7:00to9:00lastnight.4. He(try) to draw a plane on the blackboardatthattime.5. What book you(read) whenI(see)you atfour yesterday afternoon?6. Whileshe(watch) TV, her son(play) outside the room.7. It(begin) to rain whilewe(work) in the field.8. I(do) my homework last night whenthe light(go) out.

37、 goout意为熄灭9. I saw you in the reading room yesterday , Tom. Whatwereyoudoing?Oh, I (read) some books on science.10. Girls (dance) whileboys (sing) at the party.11. -Did you see Tim just now?-Yes. He (fish) by the river.12. Whenthe teacher (come) into the classroom, the students ( laugh) loudly.般将来时一

38、、意义：表示将来某个时间要发生的动作或存在的状态，也表示将来经常或重复发生的动作。时间标志：tomorrow , soon ,next Monday , next year , next weekend , thisafternoon , this evening二 . 构成及变化：一般将来时常用的两种结构be going to动词原形：表示打算、准备做的事或即将发生或肯定要发生的事。shall/will+动词原形：表示将要发生的动作或情况，没有太多的计划性，还用来表示意愿1、 be going to +动词原形 肯定句主语+be(am /,is,/ are) going to +动词原形+其

39、它成份My sister is going to learn English next year.姐姐准备明年学英语。 否定句主语+be(am / is / are)not going to +动词原形+其它成份I am not going to(go to)the cinema tonigh.;今天晚上不打算去看电影。一般疑问句Be (am / is / are)+i语+going to呦词原型+其它成份 ？Is your father going to play basketball with you 你父亲打算和你去打篮球?吗 ?No , he isn 不。 t.特殊疑问句特殊疑问词(W

40、h-)+一般疑问句?Where are you going to spend Spring Fesital春节你打算在哪过?.注意：be going to结构后面习惯上不跟go , come等表位移的动词，一般用该动词的进行时形式表示。如：He ' s going to New York next Week他要去纽约.2、 .will /shall +动词原形(在书面语中，主语是第一人称时，常用shall ,在口语中，所有人称都可以用will)(1)肯定句主语+will/shall+动词原形+其它成份(shall) write to him next week下周我将给他写信。( 2)

41、 否定句主语+ will /shall+ not +动词原形+其它成份They won' t watch TV this evening.天晚上他们不看电视。( 3) 一般疑问句will/shall+主语+动词原形+其它成份Will you stay at home with us tomorrow ?明天你和我们呆在家里好吗?( 4) 特殊疑问句特殊疑问词(Wh-) +一般疑问句When willyour father be back?你爸爸什么时侯回来？三、附:Shall I/we 常用来征求对方意见，而问对方是否愿意，或者表示客气的邀请，常用Will you他扪的回答比较灵活。1

42、.Shall we go to the park ?肯定Sure , let s go .否定No , let s go to the cinema.2、 Will you please come to my birthday party next week ?肯定 Yes, I will. / Sure .否定 I m sorry. I m afraid I can t.四、时间标志：tomorrow , soon ,next Monday , next year , next weekend , thisafternoon , this evening1、shall用于第一人称，常被wil

43、l所代替。will 在陈述句中用于各人称，在争求意见时常用于第二人称。Which paragraph shall I read first.Will you be at home at seven this evening?3、 be going to +不定式，表示将来。a. 主语的意图，即将做某事。What are you going to do tomorrow?b. 计划，安排要发生的事。The play is going to be produced next monthc.有迹象要发生的事Look at the dark clouds, there is going to be a

44、 storm.4、 be +不定式表将来，按计划或正式安排将发生的事。We are to discuss the report next Saturday.5、 be about to +不定式，意为马上做某事。He is about to leave for Beijing.注意：be about to不能与tomorrow, next week等表示明确将来时的时间状语连用。6、 be going to / will用于条件句时，be going t辰将来will表意愿If you are going to make a journey, you'd better get read

45、y for it as soon as possible.Now if you will take off your clothes, we will fit the new clothes on you in front of the mirror6、be tof 口 be going tobe to表示客观安排或受人指示而做某事。be going to表示主观的打算或计划。I am to play football tomorrow afternoon.客观安排)I'm going to play football tomorrow afternoon. 主观安排()7、 一般现在

46、时表将来1) 下歹U动词： come, go, arrive, leave, start, begin, return般现在时表将来。这主要用来表示在时间上已确定或安排好的事情。The train leaves at six tomorrow morning.When does the bus star? It stars in ten minutes.2)倒装句，表示动作正在进行，如：Here comes the bus. = The bus is coming.There goes the bell. = The bell is ringing.3)在时间或条件句中。When Bill c

47、omes 不是(will come), ask him to wait for me.I'll write to you as soon as I arrive there.4) 在动词 hope, take care that, make sure th咻后。I hope they have a nice time next week.Make sure that the windows are closed before you leave the room.8、 用现在进行时表示将来意为："意图"、 "打算 "、 "安排"

48、;、常用于人。常用词为come, go, start, arrive,leave, sta铸。I'm leaving tomorrow. Are you staying here till next week?过去将来时1 .概念：立足于过去某一时刻，从过去看将来，常用于宾语从句中。2.时间状语：the next day(morning,year ),the following month(week),etc.3古构：was/were/going to + do； would/should + do. 4否定形式：.was/were/not + goingto + do;would/s

49、hould + not + do. 5r 股疑问旬： wasg£ were放于旬首； would/should提到句首。6.例句：He said he would go to Beijing the(1)过去将来时由 助动词would+动词原形”构成。would常缩略为d（2）过去将来时的用法过去将来时表示过去的某一时间看来将要发生的动作或存在的状态。过去将来时常用在宾语从句中。如：I didn't know if she would come I wasn't sure whether he would do itWang Lei said that she wou

50、ld visit her uncle next Saturda。 y过去将来时也可以用 “ was（were） going toi+司原形”来表示。如：Ididn't know if she was going to come Wang Lei said that she was going tovisit her uncle next Saterday。现在完成时用法 1：表示：过去发生或已经完成的某一动作对现在造成的影响或结果。标志词： already, yet, just, ever, never, before用法2：表示：过去已经开始，持续到现在的动作或状态。标志词：for,

51、 since, sinceago基本结构：助动词have/has +动词的过去分词（当主语是第三人称单数时用has其余人称用have）1）肯定式：主语+ have / has +过去分词2）否定式：主语+ have / has + not +过去分词3）一般疑问句：Have / Has + 主语 + 过去分词Yes,主语 + have/has.信定）No,主语 + haven't/hasn't.（否定）4）特殊疑问旬：特殊疑问词+have/has+fc语+过去分词例句：1. 过去某时发生的动作到目前为止这个动作已经完成或刚刚完成。如：1）I have finished my h

52、omework.我做完家庭作业了。（过去某时开始做，到现在已完成 ）2）He has already comeffc已经来了。（过去某时开始离开某地到这来，现在已在这。 ）2. 表示动作发生在过去并延续到现在。如：1）I have studied English for six years我已经学了六年英语了。（六年前开始学英语，一直学到现在, 也可能继续学也可能就此不学了。2）I have lived in Shenyang since 1990我从.1990年就在沈阳住。（从 1990年开始住在沈阳一直住到现在，也可能继续住也可能就此为止。）注意1：当表示一段时间，现在完成时可以用for或

53、sinc匍导的状语。例如：I ' ve known Li Li for 4 yea或认识丽丽已经4年了。I have worked here since 8 years agOi从 8年前我就在这工作。注意2：当在肯定陈述句中含有a卜eady或just时，在转换成否定何时，要把旬 中的a卜eady或just去掉，在旬末加上yet.。例如： I have already seen the film. I haven t seen the film yet.He has just come. He hasn t come yet?使用时注意事项1. “have/ has go形式上是一种完

54、成时，但和 have/ has为同一意思 宥”。如： Have you got pen-friends? Yes, I have.你有笔友吗?是的，我有。Has he got a lot of work to do? Noh, e hasn t.他有许多工作要做吗?不，他没有。2. have/has gone to have/has been tof口have/has been in勺区另Uhave/ has gone tofc了，在去某地的路上或在某地，人还未回来have/ has been t*经去过，人已经回来了have/ has been in已经在，常与一段时间连用如：He has

55、been to Shenyang befor触以前曾去过沈阳。He has been in Shenyang for ten yearsfe在沈阳 10 年了。Has he gone to Shenyang?去沈阳了吗?3. have/ has been to?和 once, twice, never, ev睡用;have/ has gone toU 不可。例如:Has Tom ever been to Paris?®去过巴黎吗 Yes, he ' s been there several times.他去过好几次了 -Where hae they gone?ffc们去哪里了

56、 ?一They ' ve gone to Shenyang.去沈阳了。4. 非延续性动词不能用“现在完成时+ 表示一段时间的状语”的句型中。这类动词有： come, go, start, leave, die, buy, finish, join, borrow, stop 但它们能够用表示持续状态的相应的延续性动词替换句中的非延续性性动词。例如：arrive, come f be here, be in buyf haveobegin, startf bedie f be dead finish, end f be overgo out f be outjoin f be in borrow fkeep finish/endfbe overclose fbe closedleave, movebe away; fall asleepbe asleep比较过去时与现在完成时1）过去时表示过去某时发生的动作或单纯叙述过去的事情，强调动作；现在完成时为过去发生的，强调过去的事情对现在的影响，强调的是影响。2）过去时常与具体的时间状语连用，而现在完成时通常与模糊的时间状语连用，或无时间状语。一般过去时的时间状语:yesterday, last week ago, in1980, in October, just nowM 体的时间状语共同的时间状语:this mo