《Natural disasters》GrammarPPT课件第一部分内容：新课导入What were you doing when the teacher came into the classroom just now?do homeworkclean the desktalk with my desk mateprepare for the next lessonlook for the bookread English bookshave breakfast... ... ...《Natural disasters》PPT，第二部分内容：whenI was doing homeworkI was cleaning the deskI was talking with my deskmateI was preparing for the next lessonI was looking for the bookI was having breakfastWhat was A doing while B was doing sth?…was running while …was walking.…was playing basketball while …was playing football.…was reading books while …was playing computer games.…was singing while …was doing his homeworkwhen while 的区别My mother was watching TV while I was doing my homework.He was taking a shower while his wife was talking on the phone.while引导的时间状语从句，谓语动词只能是延续性的，通常用进行时。The teacher came in ____ students were talking noisily.=The students were talking noisily ___ the teacher came in.... ... ...《Natural disasters》PPT，第三部分内容：巩固练习1.My wallet dropped on the ground ______ I was running.2. ______ I was falling asleep, there was a loud knock on the door.3. ______ he was reading, an earthquake started.4. Were the students listening to the teacher carefully ______ the teacher was giving a lesson?5. ________the telephone rang, I became nervous.... ... ...《Natural disasters》PPT，第四部分内容：练习1. I _________ my homework when Mike _____ last night.昨天晚上迈克来的时候我正在写作业。2. While Ann ____________TV, her father ___ home.安正在看电视时，她父亲回来了。3. What were you doing when I ________ at the door?我敲门的时候你在干什么？4. She ______________the room when I ____ to see her.我去看她的时候她不是在打扫房间。5. I _____________my vocation England this time last summer.去年夏天的这个时候我正在英国度假。... ... ...关键词：牛津译林版八年级上册英语PPT课件免费下载，《Natural disasters》PPT下载，.PPT格式； 本作品中主体文字及图片可替换修改，文字修改可直接点击文本框进行编辑，图片更改可选中图片后单击鼠标右键选择更换图片，也可根据自身需求增加和删除作品中的内容，源文件无水印。如认为该内容涉嫌侵权，可通过邮件提出书面通知，我们将及时处理。