简单语法学习

导读：　★以下是中国招生考试网 http: www chinazhaokao com)英语资源频道为大家整理的《简单语法学习-过去进行时》，供大家参考。更多内容请看 ...

★以下是中国招生考试网 http://www.chinazhaokao.com)英语资源频道为大家整理的《简单语法学习-过去进行时》，供大家参考。更多内容请看本站英语资源频道。

过去进行时

——表示过去正在进行的动作，经常用在when, while, as引导的状语从句中。

结构：was/were+doing

When my husband was going into the dining room this morning, he dropped some coins on the floor.

Their father was watching TV while they were having dinner.

★变疑问句将be动词移到句首
Was their father watching TV while they were having dinner.

★变否定句在be动词后面加 not
Their father was not watching TV while they were having dinner.

简单语法学习相关热词搜索：英语语法其实很简单 英语简单语法