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1、过去完成时过去完成时Questions:1.What do you usually do in the morning before school?go to schoolWhat do you usually do in the morning before school?Have you ever been late for school?Have you ever been late for school?By the time I got to school,the bell By the time I got to school,the bell had rung.had rung.
2、I got to schoolnow8:158:00amThe bell rangHave you ever done any good deeds?Have you ever done any good deeds?My mom came backnow17:1517:00amI cleaned up the yard By the time my mom came back By the time my mom came back home,I had cleaned up the yard.home,I had cleaned up the yard.1.By the time I go
3、t outside,the bus _ 1.By the time I got outside,the bus _ already _.already _.hadhadleftleft 2.When I got to school,I realized I 2.When I got to school,I realized I _ _ my backpack at home._ _ my backpack at home.hadhad leftleft When I _(get home),I When I _(get home),I _(realize)I _(leave)_(realize
4、)I _(leave)my keys in the backpack.my keys in the backpack.By the time I _(get)back to By the time I _(get)back to school,the bell _(ring).school,the bell _(ring).By the time I _(walk)into By the time I _(walk)into class,the teacher_(start)class,the teacher_(start)teaching already.teaching already.g
5、ot homegot homegot got walked walked realizedrealizedhad lefthad lefthad runghad runghad startedhad startedGrammarGrammar2.过去完成时可以表示过去完成时可以表示过去某一时刻过去某一时刻 或或某一动作之前完成的动作某一动作之前完成的动作或或呈现呈现 的状态的状态。也就是说发生在。也就是说发生在“过去的过去的 过去过去”。1.过去完成时过去完成时 构成：构成：had过去分词过去分词 6:00 7:00 6:00 7:00 现在现在 By the time I got up,my
6、 sister had already washed all the clothes.现完现完VS 过完过完(1)She has taught English for 6 years.(2)“Where is Susan”“She has gone to America”.表示过去某时发表示过去某时发生的动作，这动生的动作，这动作可能刚刚停止作可能刚刚停止,也可能还在进行。也可能还在进行。(1)She said she had taught English for 6 years.(2)By the time I got to London,she had gone to America.表示
7、过去某表示过去某时之前发生时之前发生的动作。的动作。现在完成时现在完成时:主语主语+have/has done过去完成时过去完成时:主语主语+had doneeg_ she got up,her brother had already gone into the bathroomBy the time引导的时间状语从句引导的时间状语从句 by the time 到到时候为止时候为止 when当当时候，指过去的某一时间点。时候，指过去的某一时间点。从句用一般过去时，从句用一般过去时，主句为过去完成时。主句为过去完成时。By the time she went outside,the bus ha
8、d already gone.When she got to school,she realized she had left her backpack at home当她到学校的时候，她意识到她把书包放当她到学校的时候，她意识到她把书包放在家里了。在家里了。2.When I got to the cinema,the film had already begun 我到电影院时，电影已经开始了。我到电影院时，电影已经开始了。用括号中所给动词的适当形式填空。用括号中所给动词的适当形式填空。1.Mother _(have)breakfast before seven oclock that mor
9、ning.2.By the end of last week,we _ (learn)50 English songs.had hadhad learned3.Mr Smith _(teach)Japanese at this school since 1999.4.Li Hong _(search)the Internet for two hours before she found what she wanted.had searchedhas taughtTranslation1.我到家时她已经睡了。我到家时她已经睡了。By the time I got home,she had By
10、the time I got home,she had already gone to bed.already gone to bed.2.到黄昏时消息已传遍全球。到黄昏时消息已传遍全球。By dusk the news had spread By dusk the news had spread through the world.through the world.3.他走以后我找到了那封信。他走以后我找到了那封信。I found the letter after he had gone I found the letter after he had gone away.away.We r
11、eached the cinema late.The We reached the cinema late.The film had already begun.film had already begun.4.我们到电影院晚了我们到电影院晚了,电影已经开始了。电影已经开始了。5.我们发现有人把我们的窗户打破了。我们发现有人把我们的窗户打破了。We found that somebody had broken We found that somebody had broken our window.our window.I soon realized that I had made a I s
12、oon realized that I had made a serious mistake.serious mistake.6.不久我意识到自己犯了一个严重的不久我意识到自己犯了一个严重的错误。错误。7.我没有去，因为我已看过这部电影。我没有去，因为我已看过这部电影。I didnt go because I had already I didnt go because I had already seen the film.seen the film.After he checked out all the After he checked out all the information,h
13、e believed his daughter information,he believed his daughter had made a good decision.had made a good decision.8.他查看了所有的信息后，相信女儿他查看了所有的信息后，相信女儿的选择是对的。的选择是对的。时态的变化n当当主句主句谓语动词是谓语动词是过去时过去时时，时，从句从句谓语动词也要用谓语动词也要用过去过去的的时态时态一种一种n若若从句从句陈述的陈述的是真理或客观是真理或客观规律规律，其，其谓语谓语的时态的时态用一般用一般现在时现在时.现在进行时现在进行时现在完成时现在完成时一般现
14、在时一般现在时一般过去时一般过去时一般将来时一般将来时过去进行时过去进行时过去将来时过去将来时过去完成时过去完成时过去进行时过去进行时过去完成时过去完成时一般过去时一般过去时过去完成时过去完成时过去将来时过去将来时过去进行时过去进行时过去将来时过去将来时过去完成时过去完成时用括号中所给动词的适当形式填空。用括号中所给动词的适当形式填空。1.Father told me that he _(write)a new book.2.The teacher said he _ never _ (make)such a foolish mistake before.had writtenhad made