2017年高考英语一轮复习讲练测：必修3 语法专题复习动词时态语态复习（1）（讲）（解析版）_高考复习指南

　　be/become/get used to + doing，表示习惯于

　　He used to smoke a lot.

　　He has got used to getting up early.

　　考点二：在时间和条件状语从句中，代替过去将来时。

　　He promised to buy me a computer if he got a raise

　　5. 过去进行时

　　表示过去某个时间点或某段时间内正在发生的动作。

　　The boy was doing his homework when his father came back from work.

　　He was taking a walk leisurely by the lake when he heard someone shouted for help.

　　What were you doing at nine last night?

　　The radio was being repaired when you called me.

　　6. 过去完成时

　　表示过去某个时间之前已经完成的动作，即过去完成时的动作发生在“过去的过去”，句中有明显的参照动作或时间状语，这种时态从来不孤立使用 ( before, after, by, up till )

　　There had been 25 parks in our city up till 2000.

　　By the end of last term we had finished the book.

　　They finished earlier than we had expected.

　　考点一：用于hardly/scarcely...when; no sooner ...than 句型中，主句用过去完成时，从句用一般过去时。

　　I had hardly finished my work when he came to see me.

　　I had no sooner got into the room than it began to snow.

【2017年高考英语一轮复习讲练测：必修3 语法专题复习动词时态语态复习（1）（讲）（解析版）】相关文章：

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