八大時態(tài)講解教學課件

1、時 態(tài)1時 態(tài)1種類構(gòu)成一般現(xiàn)在時do/does一般過去時did一般將來時will/shall+動詞原形現(xiàn)在進行時am/is/are + doing現(xiàn)在完成時have/has+過去分詞過去進行時was/were + doing過去完成時had+過去分詞過去將來時would/should+動詞原形知識導(dǎo)航2種類構(gòu)成一般現(xiàn)在時do/does一般過去時did一般將來時w一、一般現(xiàn)在時1、構(gòu)成 一般現(xiàn)在時常用動詞原形，但第三人稱單數(shù)作主語時，動詞的詞尾要加s或es3一、一般現(xiàn)在時1、構(gòu)成32、用法表示經(jīng)常性、習慣性的動作I go to the park once a week.When do you

2、usually have breakfast?表示客觀真理The sun rises in the east.42、用法表示經(jīng)常性、習慣性的動作4表示主語所具有的特征、性格、能力、狀態(tài)等She is a middle school student.She looks a little worried.某些以here/there開頭的句子中，用一般現(xiàn)在時表正發(fā)生的動作Here comes the bus.5表示主語所具有的特征、性格、能力、狀態(tài)等5表示將來發(fā)生的、時刻表上不改變的事The train leaves Hunan at five oclock.特殊情況在時間狀語從句和條件狀語從句中，

3、若主句用一般將來時，則從句用一般現(xiàn)在代替將來。（主將從現(xiàn)）Ill see you when I get there.If it doesnt rain tomorrow,well go shopping.6表示將來發(fā)生的、時刻表上不改變的事6常與一般現(xiàn)在時連用的時間狀語有：often 經(jīng)常 usually 通常 never 從不 every day 每天 sometimes 有時 seldom 幾乎不 always 總是 once a week一周一次7常與一般現(xiàn)在時連用的時間狀語有：7【翻譯】我今年20歲，住在北京。I am twenty years old this year , and

4、I live in Beijing.火車將在一個小時后（in an hour）出發(fā)（set off）。The train sets off in an hour.她每天都走路上學。She walks to school every day.或：She goes to school on foot every day.8【翻譯】我今年20歲，住在北京。8二、現(xiàn)在進行時1、構(gòu)成 現(xiàn)在進行時由“助動詞be（am/is/are） + doing”構(gòu)成。9二、現(xiàn)在進行時1、構(gòu)成92、用法表此時此刻正發(fā)生的動作，常與now連用。They are cleaning the room.Listen , som

5、eone is shouting.與副詞always連用，表達一種感情色彩。She is always thinking of others instead of herself.Why are you always coming late?102、用法表此時此刻正發(fā)生的動作，常與now連用。10有些動詞（arrive,come,go,leave）的ing形式可表示將發(fā)生的、計劃或安排好的事。We are leaving here next week.She is coming to see me tomorrow.while后常用doing形式While you are reading th

6、e book , he is sleeping.11有些動詞（arrive,come,go,leave）的in常與現(xiàn)在進行時連用的時間狀語有：now 現(xiàn)在 right now 現(xiàn)在 these days 這些天 at this moment在此刻 12常與現(xiàn)在進行時連用的時間狀語有：12我認為他正在看電視。I think (that)he is watching TV.當我在睡覺的時候他正在聽音樂。While I am sleeping , he is listening to music.【翻譯】13我認為他正在看電視?！痉g】13【中考鏈接】Look! there_ our dog.(20

7、13 )come B. comes C. to come D. comingLook ! The sun _ , and it _from the west.(2013)falls down , falls down falls down , falling down C. is falling down , falls downD. is falling down , falling down14【中考鏈接】Look! there_ our dog.The man _ with his parents once a year. (2014 )goes travel B. goes trave

8、lingC. is going travel D.is going travelingShe is doing her homework while her mother _ to her.(2014 )A. speaks B. spoke C.to speak D. speaking15The man _ with his parentsHe is a lazy man . He _the dirty jeans every day.(2014 ) always wears B. always wearing C. always to wear D. is always wearing Yo

9、u will know the truth after you _him.(2013)A. see B. will see C. are seeing D.to see16He is a lazy man . He _the 三、一般過去時1、構(gòu)成 一般過去時用動詞的過去式表示。除系動詞be的過去式有人稱和數(shù)的變化外，其他動詞的過去式無人稱和數(shù)的變化。17三、一般過去時1、構(gòu)成172、用法表示過去已經(jīng)發(fā)生的動作，現(xiàn)在已經(jīng)結(jié)束，常與相應(yīng)的過去時間狀語連用。Tom fell ill last night , and he had to stay at home.追述逝去的人或事。Edison wa

10、s a great inventor.182、用法表示過去已經(jīng)發(fā)生的動作，現(xiàn)在已經(jīng)結(jié)束，常與相應(yīng)的過表示過去經(jīng)?；蚍磸?fù)發(fā)生的動作，可與always, usually, often, sometimes, never 連用。He usually walked to school last year.I often ate noodles last week, but now I seldom like it.19表示過去經(jīng)?；蚍磸?fù)發(fā)生的動作，可與always, usua常見的過去時間狀語有： just now 剛才 yesterday 昨天 in the old days 在那段舊時光里at t

11、hat time=at that moment 在那時a few days ago=the other day 幾天前 20常見的過去時間狀語有：20去年他通常坐公交車去上學，但現(xiàn)在經(jīng) 常騎自行車上學。He usually went to school by bus last year , but now he often goes to school by bike.【翻譯】21去年他通常坐公交車去上學，但現(xiàn)在經(jīng) 常騎自行車上學?！痉?、一般將來時1、構(gòu)成 一般將來時態(tài)由“will/shall+動詞原形”構(gòu)成，表示將來發(fā)生的動作或狀態(tài)。We will/shall come to ask Ma

12、ry for help.221、構(gòu)成222、其他表示be going to +動詞原形：表示說話人主觀的打算或預(yù)測。I am going to look for a job here.It is going to be a fine day for camping tomorrow.232、其他表示be going to +動詞原形：表示說話人be to do:表示已經(jīng)計劃或安排好的動作。The president is to visit China next week.The meeting is to start early tomorrow.24be to do:表示已經(jīng)計劃或安排好的動

13、作。24be about to do:表示馬上要發(fā)生的事，不強調(diào)主觀。The train is about to leave.be about to do when 正當時I am about to leave when the phone rings.25be about to do:表示馬上要發(fā)生的事，不強調(diào)主注意：在從句中的將來時態(tài)，will要變成相應(yīng)的時態(tài)。 She said she would help me if she finished her work. 26注意：在從句中的將來時態(tài)，will要變成相應(yīng)的時態(tài)。26他昨天說他很快將要離開。Yesterday ,he said h

14、e would leave soon.正當他要說話時，老師來了。He is about to speak when the teacher comes.【翻譯】27他昨天說他很快將要離開?！痉g】27五、現(xiàn)在完成時1、構(gòu)成 現(xiàn)在完成時由“助動詞have/has+過去分詞”構(gòu)成，表示一件已發(fā)生的事與現(xiàn)在情況有聯(lián)系，往往對現(xiàn)在造成一定影響。I have lost my key.The lift has broken down.281、構(gòu)成282、用法?？梢院蚸ust ,ever, already, recently, yet等詞連用。He has just left.Have you phoned

15、 him yet?(否定回答)：No ,I havent.292、用法?？梢院蚸ust ,ever, already, 常和for+時間段、since引導(dǎo)的時間狀語、how long 連用。How long have you known her?I have known her for three years.強調(diào)直到現(xiàn)在為止的經(jīng)歷。He has only been to China once.30常和for+時間段、since引導(dǎo)的時間狀語、how lo在時間和條件狀語從句中，用現(xiàn)在完成時代替將來完成時。I will go home as soon as I have finished al

16、l my work.I will not let you go until you have finished your work.31在時間和條件狀語從句中，用現(xiàn)在完成時代替將來完成時。31和time連用的情況This/It is the first time that I have seen a panda.由since引導(dǎo)的從句中，主句用現(xiàn)在完成時，從句用一般過去時。We have been friends since we met at school.32和time連用的情況32注意區(qū)別：have gone to:到某地去了，還未回來have been to：到過某地I havent

17、seen John for days , where has he gone?He has gone to America for business.I have been to America.33注意區(qū)別：I havent seen John for 他去上海待了一周。He has been to Shanghai for a week.我將在你離開之后告訴他們（after）。I will tell them after you have left.你找到你的鑰匙了嗎？Have you found your key?【翻譯】34他去上海待了一周?！痉g】34六、過去進行時1、構(gòu)成 過去進行

18、時由“助動詞be(was/were)+doing”構(gòu)成，表示在過去某一時間點正在進行的動作。at that time 當時this time yesterday昨天這個時候351、構(gòu)成35What were you doing at 8:30 yesterday evening?I was watching TV.【小試牛刀】他們昨天這個時候正在吃晚餐。They were having dinner this time yesterday.36What were you doing at 8:30 ye七、過去完成時1、構(gòu)成 過去完成時由“助動詞 had+過去分詞”構(gòu)成，表示在過去某一時刻或動

19、作之前已經(jīng)完成的動作，即“過去的過去”。這個過去的時刻常用by , before等介詞短語來表示。371、構(gòu)成37常與過去完成時連用的時間狀語有：before that year 那年之前by the/that time 到的時候by the end of 到為止38常與過去完成時連用的時間狀語有：38By the time he got there , the bus had left.He had worked for 10 hours before he slept.【小試牛刀】到去年為止我都沒有見到他。I had not seen him by the end of last year

20、.39By the time he got there , the八、過去將來時1、構(gòu)成 過去完成時由“助動詞would/should+動詞原形 或 was/were going to+動詞原形”構(gòu)成，表示從過去某一時間看將要發(fā)生的動作。401、構(gòu)成40Last week he said he would come to see me.I was about to leave when the phone rang.【小試牛刀】她告訴我她打算去香港。She told me she was going to Hong Kong.41Last week he said he would com【高

21、考鏈接】When Alice came to , she did not know how long she _ there.(12全國)had been lying B. has been lying C. was lying D. has lainIt was only after some process _in preventing the water pollution that we began to realize the significance of it.(13重慶)was made would have been made C. has been madeD. had been