[高考英语语法]过去完成时用法讲解

高考网

　　1、过去发生的两个动作，先发生的用过去完成时
        　　With their help I realized that I had been wrong.
        　　2、过去某时以前发生的动作或情况
        　　He hasn’t finished yet.
        　　He didn’t finish yesterday evening.
        　　He hadn’t finished by yesterday evening.
        　　3、常用过去完成时的情况
        　　①No sooner…than…. Hardly…when…
        　　No sooner had he begun his speech than he was interrupted
        　　②expect, hope, think, want, suppose等动词的过去完成时（或一般时）表示想做而未做的事
        　　I had planned to send him a telegram, but I didn’t manage it.
        　　4、使用过去完成时的必要性和非必要性
        　　①句意十分清楚时，可用一般时
        　　After I finished, I went home.
        　　②常用一般过去时表示依次发生的动作
        　　I got out of the taxi, paid the fare（车费) and managed it.
        　　③有时必须明确，特别是含when时
        　　When I arrived, Ann left.
        　　(同时见到）（见到Ann)
        　　When I arrived, Ann had left.
        　　（先后发生）（没见到）
        　　5、常用过去完成时的时间主状语
        　　by the end of +　过去时间 ； by + 过去时间
        　　by the time + 过去时间；　过去时间 + before
        　　比较：
        　　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