标题 | 高考英语语法摘抄 |
范文 | 高考英语语法摘抄 高考英语语法精要讲解二十四:过去完成时 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 |
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