Unit7SectionA1a-2d课件人教版九年级英语全册

SectionA(1a-2d)Unit7Teenagersshouldbeallowedtochoosetheirownclothes.1.Don'tbelateforclass.2.Don'truninthehallways3.Don'teatintheclassroom.4.Don'tfightwithyourclassmates.5.Don'tlistentomusicintheclassroom.ReviewTheexpressionsofschoolrulesinGrade7Don’tbelateforclass.Studentsarenotallowedtobelateforclass.Anewwaytodescriberules:beallowedtodosth.Don’t

runinthehallways.Studentsarenotallowedto

runinthehallways.Don’t

listentomusicintheclassroom.Studentsarenotallowedto

listentomusicintheclassroom.Don’teatintheclassroom.Studentsarenotallowedtoeatintheclassroom.Shouldsbbeallowedtodosth?观察一：阅读2d,在文章中找出含有被动语态的句子。It’snotallowedinthemuseum.wemaybeallowedtotakephotos.weshouldbeallowedtodothat.观察一：找出这三个句子的被动语态结构。be+donemay+be+doneshould+be+donePart2含情态动词的被动语态句子结构观察二：将下列句子分为三类,总结句型结构Weshouldbeallowedtobuyspecialproducts.Weshouldbeallowedtoaskquestionsinschool.Weshouldnotbeallowedtothrowrubbisheverywhere.Weshouldnotbeallowedtospeakaloud.Shouldwebeallowedtofightatschool?Shouldwebeallowedtotakephotos?肯定句否定句一般疑问句肯定句否定句一般疑问句主语+情态动词+be+done+其他内容.主语+情态动词+not+be+done

+其他内容.情态动词+

主语+be+done+其他内容?情态动词：should,can...1.—Yourcupshould________onthetable.Oritmayfalloff.—OK.I'lldoitrightnow.A.putaway B.beputtingaway C.puttingaway D.beputaway2.Alotofstars________intheskyatnight.canbeseen B.canbeseeC.can’tbeseen D.can’tbesee小试牛刀一Part3含情态动词的被动语态易错点易错点一：Paperandwater

wastedbypeople.A.willbenotB.willnotbeC.shouldbenotD.shouldnotbe2.In2050,2G

usedintheworld.A.willbenotB.willnotbeC.shouldbenotD.shouldnotbe主语+情态动词+not+be+done+其他内容.表达否定时，“not”接在情态动词后。易错点二：判断下列句子是否正确？正确（T）错误（F）Shouldclassroombecleanedbystudents?Mustbemyroomcleanedbymyselfnow?Shouldbefoodwastedbypeople?Canthehomeworkbefinishedtomorrow?Canbemoonseenatnight?TFFTF情态动词+

主语+be+done+其他内容?疑问句中，情态动词后紧跟主语。小试牛刀二summary情态动词被动语态肯定句：否定句：一般疑问句：句子结构易错点主+情态动词+be+done+其他主+情态动词+not+be+done+其他情态动词+主+be+do