初中英语语法--时态(4)

本文档包括初中阶段所学的英语时态的结构和用法

The bus is stopping. 车停了下来。

The bus stops. 车停了。

③暂时性动作和永久性动作

She is living in the country. 她现在住在农村。

She lives in the country. 她住在农村。

4.有感情色彩和没有感情色彩

He is doing well at school.他在学校表现很好。

He does well at school. 他在学校表现很好。

四、 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.结构： were /were+ V-ing.

否定形式：was/were + not + doing.

一般疑问句：把was或were放于句首。

3.时间状语：at this time yesterday, at this/that time, at this/that time yesterday (last night/Sunday/week … ), at+ 点钟 +yesterday (last night / Sunday … ) ， the whole morning, all day , from nine to ten, while 或以when/while引导的谓语动词是一般过去时的时间状语等。

At that time she was working in a PLA unit.

They were studying from 8:00 to 11:00 yesterday.

When he came in, I was reading a newspaper.

4.基本用法：

1.过去进行时表示在过去某个时间点发生的动作或事情。

(用介词短语和从句来表示时间点)

I was sleeping at this time last Sunday.( 过去某一时刻)

We were having supper when Tom came in.（从句表示时间点）

2过去进行时表示在过去某段时间内持续发生动作或事情。

（过去某一段时间）

We were watching Tv from seven o clock to nine o clock last night.

3.在复合从句中，从句和主句的动作都是延续性或同时发生，那么主从句都要过去进行时。