八年级下册英语辅导5单元知识点

Unit5 What were you doing when the rainstorm came?
一.基础知识讲解.
What were people doing yesterday at the time of the rainstorm?昨天当暴风雨来临的时候人们正在做些什么？
【解析1】过去进行时
过去进行时态
⑴ .用法：①过去某个时间正在发生的动作 He was cooking at six last night. 昨天晚上六点，他正在做饭。
②过去某段时间正在发生的动作
I was staying here from March to May last year.去年从3月到5月，我一直呆在这里。
⑵ .与过去进行时连用的时间状语，常见的有 at nine last night/ at that time= then/at this time yesterday /
或有when the teacher came in/ while he was reading的提示
⑶ 过去进行时的构成：was\were +现在分词
⑷ 过去进行时的四个基本句型
肯定句 He was cooking at six last night.
否定句 He was not cooking at six last night.
一般疑问句 Was he cooking at six last night?
两回答 Yes ,he was. No, he wasn’t.
特殊疑问句 What was he doing at six last night?
⑸ 过去进行时的固定句型
Jim was reading when the teacher came in. 当老师进来的时候，吉姆正在读书。
Jim was reading while Kate was watching TV.
在凯特正在看电视的同时，吉姆正在读书。
Jim came in while Kate was watching TV. 在凯特正在看电视的时候，吉姆进来了。
⑹请比较 He watched TV last night. （过去时间last night, 用一般过去时）
He was watching TV at nine last night. (过去时间last night+点时间at nine, 用过去进行时)