英语时态8种基本时态讲解

leave – leaving live – living receive – receiving dance – dancing come – coming smoke – smoking write - writing

③ 以“一个元音字母 + 一个辅音字母”结尾的动词，应先双写这个辅音字母然后再加-ing stop – stopping begin – beginning dig – digging swim – swimming run – running sit – sitting

(注意：listen – listening open – opening eat – eating

rain – raining sleep - sleeping)

4)

6 ．过去进行时 13

1） 表示过去某一时刻或某阶段时间正在进行的动作， 通常与 at 6:00 yesterday, at this/ that time yesterday, when 引导的时间状语等连用。

2） 基本结构 主语+be (was/were) +v- ing +… 1. It was raining at 7:00 the day before yesterday. 2. They were building a reservoir at this time last winter.

3. We were reading when the teacher came in. We weren’t reading… Were you reading…

What were you doing when the teacher came in. 3) 例句 1. 前天那个时候Tom 正在看电影。 2. 上周日四点我们正在游泳。

3.师看见我们时我们正在玩扑克。 4. I ____ (do) my homework yesterday. 5. He ____ (do) his homework at 5:00 yesterday.

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6. He ____ (do) his homework now.

7.现在完成时 1） 1. 表示过去发生的动作对现在造成的影响 2．表示过去某时间已经开始一直持续到现在的动作或状态

通常与下列时间状语连用 up to now, in the

past, recently, by… , for 5 years, since 1994, so far, already, yet, ever, just…

2) 基本结构 主语+ have/has + P.P(动词过去分词)

1. I’ve finished this work. 2. He has ever been to Australia. 3. I have not heard from her recently. 4. I have already read this book. 15

Have you read…?

Yes, I have. No, I haven’t. What have you read?

3) 过去分词的构成 （规则变化同过去式的构成）

不规则变化如下

do did done go went gone eat ate eaten come came come have had had write wrote written be was/were been see saw seen

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