介绍单元7unit 7 teenagers should be allowed choose their own clothes section agrammar focus-4c课件共.pptx

英语（人教版）九年级全册EnglishUnit7Teenagersshouldbeallowedtochoosetheirownclothes.SectionA（Grammarfocus-4c）

DoyourparentsallowyoutowatchTVathome?Yes,theydo.IthinkyoumaybeallowedtowatchTVonweekends.ButyoumaynotbeallowedtowatchTVonschooldays.Freetalk1课堂导入

Doyourparentsallowyoutoexercise?Yes,theydo.Youshouldbeallowedtoexercise.

Doyourparentsallowyoutochooseyourownclothes?No,theydon’t.Youshouldbeallowedtochooseyourownclothes.You’renolongerakid.

Lookattheserules,use“Ithink…”,“Idon’tthink…”,“Iagree/disagree”and“should/shouldn’tbeallowedto”toexpressyourownideas.RulesforTeenagers1.Don’tsmoke!2.Don’tdrive!3.Getearspierced!4.Haveapart-timejob!

Studentsshouldbeencouragedtoraisetheirhandsandwaittospeak.Studentsmustbetoldnottorunorskipintheclassroom.Teachersshouldencouragestudentstoraisetheirhandsandwaittospeak.Teachersmusttellstudentsnottorunorskipintheclassroom.

Readthefollowingsentencesandfindoutthecommonfeatures.Idon’tthinksixteen-year-oldsshouldbeallowedtodrive.Iagree.Theyaren’tseriousenough.Doyouthinkteenagersshouldbeencouragedtomaketheirowndecisions?No,Idon’tagreewiththis.Teenagersaretooyoungtomaketheirowndecisions.Teenagersshouldnotbeallowedtohavepart-timejobs.Idisagree.Theycanlearnalotfromworking.Doyouthinkwemaybeallowedtotakesomephotosifwedon’tuseaflash?Ifyoudon’tuseaflash,thenitmaybeOK.makeone’sowndecision自己做决定GrammarFocus2课堂活动

HecleanshisbedroomeverydayHisbedroomiscleanedbyhimeveryday动作执行者谓语动词动作承受者其他成分其他成分动作执行者动作承受者谓语动词主动语态被动语态主动语态转换为被动语态

句式结构肯定句主语+情态动词+be+及物动词的过去分词（+by+宾语）.否定句主语+情态动词+not+be+及物动词的过去分词（+by+宾语）.一般疑问句情态动词+主语+be+及物动词的过去分词（+by+宾语）？特殊疑问句特殊疑问词+情态动词+主语+be+及物动词的过去分词（+by+宾语）？含有情态动词的被动语态的句式结构

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