高中英语 Unit1 过去完成时课件 牛津译林版必修6.ppt

1、Lead in,Xianggang _ (return) to China in 1997.,returned,Aomen _ to China in 1999.,returned,Xianggang _to China before Aomen came back to China.,had returned,Past perfect tense（过去完成时）:表示在过去某一时间或动作之前已经发生或完成了的动作，即“过去的过去”,Basic Form: (基本形式),had done （had用于各种人称）,Negative form: (否定形式),had not done,hadnt d

2、one,Passive voice:（被动语态）,had been done,Point1: 过去完成时主要用来表示在过去之前发生的事或做的动作，通常与一般过去时连用。,The usage of past perfect tense,Present,Past,(Monday),buy some flowers,clean the house,I _ the house before I _ some flowers on Friday.,had cleaned,bought,(Friday),The following is what I did last week.,More example

3、s of the Past perfect tense,1. When we got to the station, the train _. (leave) 2. Before Tony went to work, he _ (finish) reading the novel.,had left c,had finished,Point2: 我们可以用过去完成时来提到一个在说话时已经发生的动作。（常在间接引语中使用）,Kate said, “I finished reading the comic book.”,Present,Past,Kate finished reading the

4、comic book.,Kate said that she had finished reading the comic book.,Kate said that she had finished reading the comic book.,More examples of the past perfect tense used in reported speech,1. Jimmy said, “I went to Asia two weeks ago.” Jimmy said that he had gone to Asia two weeks before. 2. “Did you

5、 stay up late last night?” Mr. Ben asked. Mr. Ben asked whether I had stayed up late the night before.,happen before,I had done my homework this morning before I went to the museum.,Point3:过去完成时还可表示，在过去的两个动作/事件当中，其中一个先于另一个发生。但是两个过去的动作/事件相隔时间不久。,1.Tom went swimming after he _ (reach) home from work.

6、2.Mary _(leave) the hotel when we got there.,had reached,had left c,More examples of this point,Point4:常用于过去完成时的时间状语,when, after, before, as soon as, until, since, by, for and already.,More examples of this point,1. He had already built his own lab by the time he was ten.,2.We had learned four thous

7、and new words by the end of last year.,3.He had studied English for five years before he came here.,_,_,_,Point5：过去完成时常用于下列句型中：,e.g.: They asked me to have a drink with them. I said that it was at least ten years since I _ a good drink. 他们邀请我和他们喝酒，我说，我已经至少十年没有好好喝过了。 A. had enjoyed B. was enjoying C.

8、 enjoyed D. had been enjoying,A,1. It was时间since主语过去完成时,The other usage of past perfect tense,2.It was the first /second/ time (that)+主语 +过去完成时,e.g.: It was the second time that he had been the winner.,_ got into the room，_ the telephone rang. 他一到家，电话就响了。 He hardly had；then B. Hardly had he；when C.

9、He had not；that D. Not had he；when,解析： 正确答案为B。当否定词hardly，scarcely，no sooner放在句首时，主谓要倒装。,3. Hardlywhen No soonerthan(一就),Point6:表示过去未曾实现的愿望、打算或意图，用过去完成时。 常用动词有：hope，think，expect，intend，mean，suppose，want等。 e.g.: They had wanted to help but couldnt get here in time. 他们本来是要来帮忙的，但未能及时赶到。,G1 PK G2,Competi

10、tion,Practice,1. Tom was disappointed that most of the guests _ when he _ at the party. A. left; had arrived B. left; arrived C. had left; had arrived D. had left; arrived,2. We _ four thousand new words by the end of last year. A. had learned B. have learned C. learned D. will have learned,3. When

11、Mark opened the door, he saw a woman standing there. He _ her before. never saw B. had never seen C. never sees D. has never seen,4. I cant see any coffee in this cupboard. _? A. Has it all been finished B. Was it all finished C. Has it all finished D. Did it all finished,5. _my sister three times t

12、oday but her line was always busy. A. Id phoned B. Ive been phoning C. Ive phoned D. I was phoning,6. -The window is dirty. - I know. It _ for weeks. (NMET2004全国卷I) A. hasnt cleaned B. didnt clean C. wasnt cleaned D. hasnt been cleaned,7. The first use of atomic weapons was in 1945, and their power

13、_ increased enormously ever since. A. is B. was C. has been D. had been,8. More patients _ in hospital this year than last year. A. Treated B. have treated C. had been treated D. have been treated,9. They _ on the program for almost one week before I joined them, and now we _ on it as no good results have come out so far. A. had been working; are still working B. had worked; were