过去完成时公开课课件.pptx

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1、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”。定义：构成：had过去分词第1页/共16页常用的时间状语等标志词：1、by,before,when,by the time等构成的短语或引导的从句。Eg.1)By the time she came to the bus stop,the bus had already gone.2)We had finished the task before last midnight3)When I arrived at the post office,I found that I had left

2、the letter at home4)After I had finished my homework,I went to bed.第2页/共16页3、从过去开始，一直持续到过去的另一时间的动作、状态。常用since，for.Eg.She said that she had learned English for years since he came to our school注意：瞬间动词不能和一段时间状语，及since,for 引导的从句和短语连用。2、由said,told,knew,heard,thought 等引导的宾语从句中。Eg.He told me that he had h

3、eard of it.I thought my homework had been fininshed.But I didnt.第3页/共16页 6:00 7:00 6:00 7:00 现在 By the time I got up,my sister had already washed all the clothes.第4页/共16页1.我到家时她已经睡了。By the time I got home,she By the time I got home,she hadhad already already gonegone to bed.to bed.2.到昨天晚上时消息已传遍全球。By

4、 yesterday evening the news By yesterday evening the news had spreadhad spread through the world.through the world.第5页/共16页3.他走以后我找到了那封信。I found the letter after he I found the letter after he had gonehad gone away.away.We reached the cinema late.The We reached the cinema late.The film film hadhad a

5、lready already beenbeen on for ten on for ten minutes.minutes.4.我们到电影院晚了,电影已经开始十分钟了。第6页/共16页现在完成时和过去完成时的区别：The differences between Present Perfect tense and Past Perfect tense.(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

6、止,也可能还在进行。也可能还在进行。第7页/共16页(1)She said she had taught English for 6 years.(2)By the time I got to London,she had gone to America.表示过表示过去某时去某时之前发之前发生的动生的动作。作。现在完成时:主语+have/has done过去完成时:主语+had done第8页/共16页 过去的过去 过去 现在now past现在完成时过去完成时timetime第9页/共16页 分析：答案选 D。因为上大学是过去，学了五千个英语单词是在上大学之前，即“过去的过去”，所以用过去完

7、成时。He _more than 5,000 English words when he entered the university at the age of 15.(2005北北京卷京卷)A.has learned B.would have learned B.C.learned D.had learned第10页/共16页Can you do it?1.By yesterday morning,he _(call)me ten times.2.The patient _(die)when the doctor arrived.3.I saw Lin Feng yesterday.We

8、_(not meet)each other for five years.had calledhad diedhad not met第11页/共16页4.I returned the book that I_(borrow).5.He said that he _(know)her well.6.The match _(be)on for half an hour.7.The match _(be)on for half an hour when I got there.8.They _(do)the work at 11 oclock yesterday morning.had borrow

9、edhad knownhas beenhad beendid第12页/共16页9.They _(do)the work by 11 oclock yesterday morning.10.The pop singers _(leave)when I got to the music hall last night.What a pity!11.How clean the room is today!Oh,yes!Who _(clean)it?had donehad leftcleaned第13页/共16页12.What were you doing when Jim phoned you?I _(finish)my homework and was starting to take a shower.13.Have you ever been to Guilin?Yes.I _(go)there four months ago.had finishedwent第14页/共16页第15页/共16页感谢您的观看！第16页/共16页