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ID:52728860
大小:497.50 KB
页数:17页
时间:2020-02-26
《英语人教版九年级全册情态动词的被动语态.pptx》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、初中英语微课-含情态动词的被动语态宜昌市外国语初级中学刘雪琴16-year-oldsinAmericaareallowedtodrive.Doyouthinktheyshouldbeallowedtodrive?复习常见的情态动词有哪些?can/could能;可以may/might可能must必须should应该will/would将要;愿意haveto不得不need需要复习被动语态的结构是什么?bedone感知学生应该每天打扫教室。Studentsshouldcleantheclassroomeveryday.教室应该每天被(学生)打扫。Theclass
2、room(bythestudents)everyday.shouldbecleanedshouldbedone归纳情态动词被动语态的句型-肯定句Theclassroomshouldbecleanedeveryday.主语+情态动词+bedone练习let’spractice!Studentswillusethesetextbooksnextterm.Thesetextbookswillbeusednextterm.否定句Wecan’tfinishthehomeworkinanhour.Thehomeworkcan’tbefinishedinanhour.c
3、an’tbedone归纳haveatryThehomeworkcannotbefinishedinanhour.主语+情态动词+not+bedonePracticeTheymaynotinviteustotheparty.Wemaynotbeinvitedtotheparty.一般疑问句Hecanfixupthecomputer.Canhefixupthecomputer?Thecomputercanbefixedup.Canthecomputerbefixedup?can+主语+bedone?归纳haveatryCanthecomputerbefixed
4、up?情态动词+主语+bedone?PracticeTeenagersshouldbeallowedtomaketheirowndecisions.(变为一般疑问句)Shouldteenagersbeallowedtomaketheirowndecisions?Thesebookscanbetakenoutofthereadingroom.(变为一般疑问句)Canthesebooksbetakenoutofthereadingroom?Attention!注意啦!-Mustthistaskbefinishedatonce?-Yes,itmust.-No,i
5、tneedn’t.注意:含情态动词的被动语态的一般疑问句的回答,应保留原情态动词,但must表“必须”时,其否定回答应用needn’t,表示“不需要”theymustbesaved!Whatthingscan/must/shouldbedonetohelpsavetheendangeredanimals?Moretreesshouldbeplanted.Lawsmustbedevelopedtohelpsavethem.Peoplemustbeaskedtostopeatingthem.Thankyou!
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