过去完成时讲解ppt.pptx
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1、By the time I got outside,the bus had already left.第1页/共22页the policeman get to the shopTom run away By the time the policeman got to the shop,Tom had run away.第2页/共22页Speaking-freely:By the time or WhenLiu Mei wake up the concert be over By the time Liu Mei woke up,the concert had been over.第3页/共22
2、页his grandma come from AmericaLi Ming grow up By the time his grandma came from America,Li Ming had grown up.第4页/共22页2006 2011 learn 4000 English words By the end ofBy the end of 2006,I had learned 4000 new words.第5页/共22页The Past Perfect Tense过去完成时1.过去完成时的构成过去完成时的构成助动词助动词 had(用于各种人称和数用于各种人称和数)+过去分词过
3、去分词When I got to school,the bell had rung.2.过去完成时的用法:主要是表示在过去某个时间,或是动作之前已经发生或完成的动作.也就是过去的过去.第6页/共22页The Past Perfect Tense过去完成时3.常用的几种方式:用介词by,before 等构成的时间短语.用连词when,before,after或者短语by the time引导的时间状语从句.We had learnt 20 English songs by the end of last month.The plane had taken off when I reached t
4、he airport.By the time I got up,my brother had left home.第7页/共22页常用动词的过去式和过去分词play played playedwork worked workedleave left leftsay said saidgo went gonebe was/were beentake took takenget got gottenstart started started第8页/共22页breakbrokebrokenspeakspokespokendrivedrovedrivenseesawseeneatateeatengiv
5、egavegivenknowknewknowngrowgrewgrown第9页/共22页1.We _(learn)two thousands 1.We _(learn)two thousands words by the time I went to Middle School.words by the time I went to Middle School.3.3.When we _(arrive)at the station,When we _(arrive)at the station,they _(wait)for more than twenty they _(wait)for m
6、ore than twenty minutes.minutes.had learnedarrivedhad waited2.I _(know)2.I _(know)him when I was a him when I was a student.student.had known4.One of the men didnt move,because he 4.One of the men didnt move,because he _ (break)his legs._ (break)his legs.had broken第10页/共22页5.By yesterday evening he
7、_ that important letter.(write)6.I thought I _ the man before.(meet)7.By six oclock they _ for ten hours.(work)8.I went to Nicks house,but he _ out.(go)9.I _ the problem when class was over.(not understand)had writtenhad writtenhad methad methad workedhad worked had gonehad gonehadnt understoodhadnt
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