1、Past perfect TensePast perfect Tense定義：構成構成：had過去分詞過去分詞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 the letter at home4) After I had finished my homework, I went to b

2、ed.2、 由said, told, knew, heard, thought 等引導的賓語從句中。Eg. He told me that he had heard of it. I thought my homework had been fininshed. But I didnt. By the time I got up, my sister had already washed all the clothes. By the time I got home, she had already gone to bed.2. .到昨天晚上時消息已傳遍全球。到昨天晚上時消息已傳遍全球。 By

3、 yesterday evening the news had spread through the world. I found the letter after he had gone away. We reached the cinema late. The film had already been on for ten minutes.4.我們到電影院晚了我們到電影院晚了,電影已經開始十分電影已經開始十分鐘了。鐘了。現在完成時和過去完成時的區別：現在完成時和過去完成時的區別：The differences between Present Perfect tense and Past

4、Perfect tense.現在完成時現在完成時: 主語主語 + have / has done過去完成時過去完成時: 主語主語 + had donenow past現在完成時現在完成時過去完成時過去完成時timetime 分析：答案選分析：答案選 D。因為上大學是過去，學。因為上大學是過去，學了五千個英語單詞是在上大學之前，即了五千個英語單詞是在上大學之前，即“過去的過去過去的過去”，所以用過去完成時。，所以用過去完成時。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 learnedhad calledhad diedhad not methad borrow