2012高考-英語語法復(fù)習(xí)指導(dǎo)（過去完成時）

?1、過去發(fā)生的兩個動作，先發(fā)生的用過去完成時
    With their help I realized that I had been wrong.
    2、過去某時以前發(fā)生的動作或情況
    He hasn’t finished yet.
    He didn’t finish yesterday evening.
    He hadn’t finished by yesterday evening.
    3、常用過去完成時的情況
    ①No sooner…than….???? Hardly…when…
    No sooner had he begun his speech than he was interrupted
    ②expect, hope, think, want, suppose等動詞的過去完成時（或一般時）表示想做而未做的事
    I had planned to send him a telegram, but I didn’t? manage it.
    4、使用過去完成時的必要性和非必要性
    ①句意十分清楚時，可用一般時
    After I finished, I went home.
    ②常用一般過去時表示依次發(fā)生的動作
    I got out of the taxi, paid the fare（車費(fèi)) and managed it.
    ③有時必須明確，特別是含when時
    When I arrived, Ann left.? ?
    (同時見到）（見到Ann)
    When I arrived, Ann had left.
    （先后發(fā)生）（沒見到）
    5、常用過去完成時的時間主狀語
    by the end of +　過去時間 ；?? by? + 過去時間
    by the time + 過去時間；　過去時間 + before
    比較：
    By the time he was 11, he had learned 3000 words .
    By the time he is 11, he will have learned 3000 words.
    By the time last? week,? I had learned 3000 words.
    By the time next week, I will have learned 3000 words
    

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