(1) She said she 表示过
had 去某时 taught English 之前发 for 生的动 6 years. 作。 (2) By the time I got to London, 现在完成时: 主语 + have / has done she 过去完成时: 主语 + had done had gone to America.
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。
Can you do it?
1. By yesterday morning, he ________(call)
me ten times. had died 2. The patient ___________(die) when the doctor arrived. 3. I had sawnot Lin met Feng yesterday. We ___________(not meet) each other for five years.
9. They ________(do) the work by 11 o’clock yesterday morning. had left 10. The pop singers ___________(leave) when I got to the music hall last night. What a pity! 11. How clean the room is today! cleaned Oh, yes! Who _________(clean) it?
had called
4. I returned the book that had borrowed I___________(borrow). had known 5. He said thathas he ___________(know) her well. been 6. The match had ________(be) on for half an hour. been 7. The match _______(be) on for half an hour when Idid got there. 8. They ____(do) the work at 11 o’clock yesterday morning.
定义：
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”。
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
3.他走以后我找到了那封信。
I found the letter after he had gone away. 4.我们到电影院晚了,电影已经开始十分 钟了。 We reached the cinema late. The film had already been on for ten minutes.
had already gone. 2) We had finished the task before last midnight 3) When I arrived at the post office, I found that I had left the letter at home 4) After I had finished my homework, I went to bed.
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 表示过去某时发
English for 6 years. 生的动作，这动 (2) “Where is 作可能刚刚停止, Susan” “She has 也可能还在进行。 gony 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 news had spread through the world.
had done
12.What were you doing when Jim phoned you? had finished I __________(finish) my homework and was starting to take a shower. 13. Have you ever been to Guilin? went Yes. I _________(go) there four months ago.
2、 由said, told, knew, heard, thought 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 didn’t.
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。
time
past 现在完成时 now
time
过去的过去
过去完成时
过去
现在
He _____more than 5,000 English words when he entered the university at the age of 15. (2005北 京卷) A.has learned B. would have learned B.C. learned D. had learned