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1、_,Unit 10By the time I got outside,the bus had already left.,Period OneGrammar Focus,_,The Past Perfect Tense过去完成时,_,Grammar Focus(P77),2.过去完成时可以表示过去某一时刻 或某一动作之前完成的动作或呈现 的状态。也就是说发生在“过去的过去”,1.过去完成时 构成：had过去分词,_,By the time I got to school,the bell had rung.=when 当的时候,I got to school.,now,8:00,7:30am,
2、The bell rang.,当我到学校时，上课铃已经响了,_,My mom came back.,now,9:00am,8:00am,I cleaned up the yard.,By the time my mom came back,I had cleaned up the yard.,_,8:00am,9:00am,now,By the time she went outside,the bus had left.,She went outside.,The bus left.,_,the policeman get to the shop.,Tom run away.,By the
3、time the policeman got to the shop,Tom had run away.,now,5:00pm,6:00pm,_,By the time Liu Mei woke up,the concert had been over.,now,8:00pm,8:15pm,The concert was over.,Liu Mei woke up.,_,By the time his grandmother died,Li Ming had grown up.,2008,2006,2007,Li Ming grew up.,His grandmother died.,_,6:
4、00 7:00 现在,By the time I got up,my sister had already washed all the clothes.,_,By the time 到.的时候,By the time I got home,By the time I came in,By the time I got to school,By the time the bell rang,By the time I got up,完成下列句子,_,过去完成时的用法：,1、表示过去的过去，通常由when，by或before引导的短语或者从句(要用一般过去时)做时间状语 By the end o
5、f last year,I had learned about one thousand English words.By the time he was twenty,he had won about ten medals.When I got there,they had already left.We had finished our lunch before he came.,_,2、常用在宾语从句中 He told me he had already finished his homework.I realized he had fooled me again.,_,现在完成时与过去
6、完成时的区别,_,I have been at school since 8:00am.,I was at school.,now,7:30am,7:00am,The bell is ringing.,现在完成时,过去完成时,now9:00am,7:30am,8:00am,The bell rang.,I got to school.,By the time I got to school,the bell had rung.,_,1.We _(learn)two thousands words by the end of last year.,Can you do it?,3.When we
7、 _(arrive)at the station,they _(wait)for more than twenty minutes.,had learned,arrived,had waited,2.I _(know)him when I was a student.,had known,4.One of the men couldnt move,because he _(break)his legs.,had broken,_,5.Father told me that he _(write)a new book.6.Mother _(have)breakfast before seven
8、oclock that morning.7.By the end of last week,we _(learn)50 English songs.8.The teacher said he _ never _(make)such a foolish mistake before.,had written,had had,had learned,had,made,_,9.Mr Smith _(teach)Japanese at this school since 1999.10.Li Hong _(search)the Internet for two hours before she fou
9、nd what she wanted.,had searched,has/had taught,_,Translation,1.我到家时她已经睡了。,By the time I got home,she had already gone to bed.,2.到黄昏时消息已传遍全球。,By dusk the news had spread through the world.,_,3.他走以后我找到了那封信。,I found the letter after he had gone away.,We reached the cinema late.The film had already beg
10、un.,4.我们到电影院晚了,电影已经开始了。,_,5.我们发现有人把我们的窗户打破了。,We found that somebody had broken our window.,I soon realized that I had made a serious mistake.,6.不久我意识到自己犯了一个严重的错误。,_,7.我没有去，因为我已看过这部电影。,I didnt go because I had already seen the film.,After he checked out all the information,he believed his daughter had made a good decision.,8.他查看了所有的信息后，相信女儿的选择是对的。,
