【上期回顾】

【本期内容】

一、内容纲要

二、内容简述

（一）构成方式

该时态下，动词的形式是：was/were doing。其中，was/were是助动词，doing是现在分词。

（二）基本用法

1）表过去某个时刻或时段正在进行的动作，如：

He was reading in the library this time yesterday.

昨天这个时候他正在图书馆看书。

She was working in the garden the whole after last Friday.

上周五整个下午她都在花园里干活。

2）表委婉语气，如：

I was wondering if you can help me with my English.

不知你能否帮我辅导一下英语。

3）表过去习惯，此时常与频率副词连用，如：

He was always changing his mind.

他过去总是变想法。

（三）标志词

1）时刻/时段+过去时间，如：

They were playing tennis in the gym from four to six yesterday afternoon.

昨天下午四点到六点，他们在体育馆打网球。

2）用于时间状语从句中，如：

When he came in, I was repairing my computer.

他进来时，我正修理我的电脑。

3）含有whole或all等的过去时间，如：

Jack was helping his father all morning last Saturday.

上周六整个上午杰克都在帮他父亲。

I was preparing for the English test the whole day yesterday.

昨天一整天我都在准备英语考试。

（四）现在分词的变化规则

1）直接+ing，如：working, playing

2）去e+ing（该动词以不发音的e结尾），如：writing, making

3）双写最后一个辅音字母+ing（该动词以重读闭音节结尾），如：stopping, beginning

4）不规则变化，如：die - dying; panic - panicking

（五）句型变化

原句：We were shopping at the mall the whole afternoon yesterday.

否定句：We were not shopping at the mall the whole afternoon yesterday.

一般疑问句及其回答：

- Were you shopping at the mall the whole afternoon yesterday?

- Yes, we were.

- No, we weren't.

划线部分提问：

When were you shopping at the mall?

（六）特殊情况

when与while引导时间状语时，其主从句的谓语动词的用法有所区别。when所在句子的主从句中的谓语动词既可以是瞬间动词也可以是持续动词，但while所在的从句的谓语动词必须是持续动词或静态动词，但其主句的谓语动词既可以是瞬间动词也可以是持续动词。如：

When he was walking into the dining room, he dropped some coins on the floor.

While he was walking into the dining room, he dropped some coins on the floor.

Whe he arrived, we were having dinner.

While we were having dinner, he arrived.