高一英语重点时态语法知识点
现在进行时
1. 表示现在 (说话瞬间) 正在进行或发生的动作。
[例句] He is reading a newspaper now.
2. 表示当前一段时间内的活动或现阶段正在进行的动作 (说话时动作不一定正在进行)。
[例句] What are you doing these days?
3. 表示说话人现在对主语的行为表示赞叹或厌恶等, 常与always, constantly, continually等副词连用。
[例句] He is always thinking of others.
4. 表示在最近按计划或安排要进行的动作。常限于go, come, leave, start, arrive等表“移动”、“方向”的词。
[例句] He is coming to see me next week.
过去进行时
1. 表示过去某时正在进行的动作。
[例句] He was sleeping when Mary came to see him.
2. 动词go, come, leave, arrive, start等的过去进行时常表过去将来时。
[例句] She said she was going to Beijing the day after tomorrow.
一般现在时
1. 表示现在习惯或经常反复发生的动作或存在的状态, 常与usually, always, sometimes, often, every day / week / month / year等时间状语连用。
[例句] He often does his homework in his study.
2. 表示主语现在的特征、性格和状态。
[例句] The dictionary belongs to me.
3. 表示客观规律或科学真理、格言, 以及其他不受时间限制的客观存在。
[例句] The moon goes around the sun.
4. 在有连词if, unless, before, as soon as, when, once, however等引导的时间、条件和让步状语从句中, 用一般现在时表将来。
[例句] If you work hard, you won’t fail in the exam.
一般过去时
1. 表示过去某一时间发生的动作或存在的状态。
[例句] She went to the zoo yesterday.
2. 在时间、条件状语从句中代替过去将来时。
[例句] He said when she came he would tell her.
一般将来时
1. 表示将来发生的动作或存在的状态, 常与表示将来的时间状语连用。
[例句] I don’t know what will happen in the future.
2. 常用来表示将来时的结构包括:
(1) shall / will + 动词原形:(单纯) 表将来, 一般不用于条件句。
(2) be going to + 动词原形:(计划)打算做……。
(3) be about to + 动词原形:即将或正要去做某事,通常不与时间状语连用,但可与when引导的从句连用。
(4) be to + 动词原形:预定要做……。
(5) be doing 表示按计划、安排即将发生的动作,常与go, start, set out, leave, reach, arrive, return, come, move等表位移的动词连用。
现在完成时
1. 表示过去发生或已经完成的某一动作对现在造成的影响或结果。
[例句] —Have you had your supper yet? —Yes, I have just had it.
2. 常与介词for, during, in, within, over等引导的时间状语连用, 表示过去的某一行为一直延续到现在。
[例句] I haven’t seen my English teacher for a long time.
3. 表示反复或习惯性的动作, 常与several times, once, twice, frequently等频度副词连用。
[例句] I have been to the USA several times.
4. 表示从过去到现在没有发生过的动作。
[例句] I haven’t swept the floor for a week.
5. 用在时间、条件状语从句中, 表示从句动作先于主句动作完成。
[例句] I’ll tell him after you have left.
6. 在“最高级+ 名词”或在“这是第几次…”之后跟定语从句,从句用现在完成时。
[例句] ①This is the third time I have been there.
②This is the best tea I have ever drunk.
过去完成时
1. 表示在过去某一时刻以前已经开始并一直延续到这一时刻、或是在此刻前已经完成的动作。
[例句] By the end of last term, we had learned 1,000 English words.
2. 有些动词 (如: hope, think, expect, mean, intend, suppose, want等) 的过去完成时可表示过去未曾实现的希望、打算或意图。
[例句] I had hoped to see more of Beijing.
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