1、本网站免费注册后即可以下载,点击开通VIP会员可无限免费下载!
2、资料一般为word或PPT文档。建议使用IE9以上浏览器或360、谷歌、火狐浏览器浏览本站。
3、有任何下载问题,请联系微信客服。
扫描下方二维码,添加微信客服
4
When I …
He was doing …
When I called him up, he was sleeping.
Make up the sentences.
Review
While I …
He was doing …
While I was working, he walked to school.
When I …
He was doing …
When I read the newspaper, he was watching TV.
when和while都可表示“当……的时候”,引导时间状语从句。你知道两者在过去进行时中的用法有什么不同吗?
请仔细观察下面的例句,然后补全空格中的内容。
Presentation
① I was walking to school when I saw a cat in a tree.
②When Sally arrived home, her mother was cleaning the house.
主句的动作是持续性的,而从句动作是
短暂性的,此时用 ______ 引导时间状语从
句,主句用 __________ 时态,从句用一般
过去时态。
过去进行
when
③ While I was sleeping in the bedroom, someone knocked at the door.
④ David fell while he was riding his bike.
主句的动作是短暂性的,从句的动作
是持续性的,此时用 _______ 引导从
句,主句用 __________ 时态,从句
用过去进行时态。
一般过去