中考英语备考:初中英语 50 个必考句型 + 8 大时态结构
初中英语2019-08-15 10:26
六、过去进行时
1.概念:表示过去某段时间或某一时刻正在发生或进行的行为或动作。
2.时间状语:at this time yesterday, at that time 或以 when 引导的谓语动词是一般过去时的时间状语等。
3.基本结构: 主语+was / were+doing+其它
4.否定形式:主语+was/were+not+doing+其它
5.一般疑问句:把 was 或 were 放于句首。(第一个字母大写)
eg:
①At that time she was working in a company. 那段时间她在一家公司工作。
②When he came in, I was reading a newspaper. 他进来时,我正在读报纸。
七、现在完成时
1.概念:过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经开始,持续到现在的动作或状态。
2.时间状语:yet, already, just, never, ever, so far, by now, since+时间点,for+时间段,recently, lately, in the past few years,etc.
3.基本结构:主语+have / has+过去分词+其它
4.否定形式:主语+have / has+not+过去分词+其它
5.一般疑问句:have 或 has 放句首。
eg:
①I've written an article. 我已经写了一篇论文。
②The countryside has changed a lot in the past few years. 在过去的几年,农村发生了巨大的变化。
八、过去完成时
1.概念:过去发生或者已经完成的动作对现在造成的影响或结果,或从过去已经开始,持续到现在的动作或状态。
2.时间状语:before, by the end of last year (term, month), etc.
3.基本结构:had+done.
4.否定形式:had+not+done.
5.一般疑问句:had 放于句首。
6.用法:
(1)在told, said, knew, heard, thought等动词后的宾语从句中。
eg:
She said (that) she had never been to Paris. 她告诉我她从来没有去过巴黎。
(2)在过去不同时间发生的两个动作中,发生在先,用过去完成时;发生在后,用一般过去时。
eg:
①When the police arrived, the thieves had run away. 警察到达时,小偷们早就跑了。
(3)表示意向的动词,如hope, wish, expect, think, intend, mean,suppose等,用过去完成时表示"原本…,未能…"。
eg:
①We had hoped that you would come, but you didn't. 那时我们希望你能来,但是你没有来。
②I had hardly opened the door when he hit me. 我刚打开门,他就打了我。
(注意:had hardly… when... 刚......就......)
③He had no sooner bought the car than he sold it. 他刚买了这辆车,转眼又卖了。
(注意:had no sooner…than 刚…… 就……)
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