初中英语人教新目标 (Go for it) 版八年级下册Section A示范课ppt课件

这是一份初中英语人教新目标 (Go for it) 版八年级下册Section A示范课ppt课件，共16页。PPT课件主要包含了过去进行时，不同点1，一般指一段时间，表状态的延续性动词，不同点2，不同点3，While ，was，When ，was 等内容，欢迎下载使用。
定义： 表示过去某个时刻或某一时间段正在进行或正在发 生的动作。
时间标志词： then，at this/that time， at this time f，at that mment，at this/that time yesterday, at 9:00 yesterday mrning，at nine last night，all the mrning, all night，frm10:00 t12:00 yesterday，the whle afternn等； 或以when, while 引导的时间状语从句。
构成： 基本结构：主语+was/were + V-ing +其他。 否定形式：主语+wasn’t/weren’t +V-ing+其他。 一般疑问句：Was/Were+主语+V-ing+其他？ 肯定回答：Yes, 主语+was/were. 否定回答：N, 主语+wasn’t/weren’t. 特殊疑问句：特殊疑问词+ was/were +主语+V-ing+其他？
when 和 while 用法小结
相同点： when 和 while 都可以作从属连词。 引导时间状语从句。 都有“当……的时候”的意思。
指时间段，也可以指时间点
可以是延续性动词，也可以是非延续性动词
有时when可以代替while，而while则不能代替when。
when引导的时间状语从句中，从句的动作和主句的动作可以同时发生，也可以一前一后先后发生；while则强调主句和从句的动作同时发生。
when后面通常接一般时态的从句，而while后接进行时态的句子。
玛丽在图书馆里读书时，杰克正在操场上踢足球。 Mary was reading in the library while Jack was playing sccer n the playgrund.
Grammar Fcus
What was Ben ding when it began t rain heavily?
When it began t rain, Ben was helping his mm make dinner.
What was Jenny ding while Linda was sleeping?
While Linda was sleeping, Jenny was helping Mary with her hmewrk.
Lk at the table and write sentences with bth while and when.
While Jhn was playing the pian, Mary left the huse.Jhn was playing the pian when Mary left the huse.
While Jhn was cleaning his rm, Mary turned n the radi. Jhn was cleaning his rm when Mary turned n the radi.While Jhn was shpping, Mary tk the car t the car wash. Jhn was shpping when Mary tk the car t the car wash.
At 7:00 a.m., I wke up. ________ I ______ making my breakfast, my brther _______ listening t the radi. ______ I was eating, the radi news talked abut a car accident near ur hme. My brther and I went ut right away t have a lk. _______ we gt t the place f the accident, the car ______ in bad shape frm hitting a tree. But luckily, the driver ______ fine. The rads ______ icy because f the heavy snw frm the night befre.
Fill in the blanks with was, were, when r while.
What were yu ding at these times last Sunday? Fill in the chart. Then ask yur partner.
A: What were yu ding at nine ’clck last Sunday mrning?B: I was sleeping. Hw abut yu? A: I was ding my hmewrk.B: Yu’re kidding!
常用于口语中，表示说话人对所听到的话语表示惊讶或不相信。也可以说“Are yu kidding？”