过去完成时公开课课件

1、过去完成时态,Past perfect Tense,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,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 midnight,3) When I arrived at the post

2、 office, I found that I had left the letter at home,4) After I had finished my homework, I went to bed.,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, thou

3、ght 等引导的宾语从句中。 Eg. He told me that he had heard of it. I thought my homework had been fininshed. But I didnt.,6:00 7:00 现在,By the time I got up, my sister had already washed all the clothes.,1.我到家时她已经睡了。,By the time I got home, she had already gone to bed.,2.到昨天晚上时消息已传遍全球。,By yesterday evening the n

4、ews 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 been on for ten minutes.,4.我们到电影院晚了,电影已经开始十分钟了。,现在完成时和过去完成时的区别：The differences between Present Perfect tense and Past Perfect tense.,现在完成时: 主语 + have / has don

5、e 过去完成时: 主语 + had done,过去的过去 过去 现在,now,past,现在完成时,过去完成时,time,time,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”，所以用过去完成时。,He _more than 5,000 English words when he entered the university at the age of 15. (2005北京卷) has learned B. would have learned C. learned D. had learned,Can you do it?,By yesterday

6、 morning, he _(call) me ten times. The patient _(die) when the doctor arrived. I saw Lin Feng yesterday. We _(not meet) each other for five years.,had called,had died,had not met,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. T

7、he match _(be) on for half an hour when I got there. 8. They _(do) the work at 11 oclock yesterday morning.,had borrowed,had known,has been,had been,did,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 done,had left,cleaned,12.What were you doing when Jim phoned you? I _(finish) my homework and was starting to take a shower.