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Unit7,Teenagersshouldbeallowedtochoosetheirownclothes.,SectionA1a-2d,licensen.证，证件safetyn.安全，安全性smokev.抽烟part-timeadj.兼职的piercev.刺破，扎破earringn.耳环flashn./v.闪耀，闪光灯,Newwords,Someusefulexpressions:,1sixteen-year-olds2getonesearspierced3beallowedtodosth.4driverslicense5workatnight6cutoneshair7stoptodosth./doingsth.8seemtodosth.9onweekends10atthatage11insteadof12dohomeworkwithfriends13onschoolnights14goshopping15onFridaynights16goout17cleanup18stayup,Someimportantsentences:,Ithinkstudentsshouldbeallowedtodohome-workwithfriends.Idisagree.Theytalkinsteadofdoinghomework.Sixteen-year-oldsshouldnotbeallowedtodrive.Iagree.Theyarentseriousenoughatthatage.Doyouthinksixteen-year-oldsshouldbeallowedtochoosetheirownclothes?Yes,Ido./No,Idont.,Childrenshouldnotbeallowedtodrive.,Iagree.Theyarenotoldenough.,被动语态,定义:表示主语是动作的承受者.构成:助动词be+及物动词的过去分词。助动词有人称、时态和数的变化。含有情态动词的被动语态：情态动词be及物动词的过去分词。用法：当我们不知道谁是动作的执行者，或者没有必要指出谁是动作的执行者，或者只强调动作的承受者时，要用被动语态。,1.规则动词的过去分词：,1)一般情况在动词原形后加-ed,watch-watched,2)以不发音e结尾的加-d,practice-practiced,3)以辅音加y结尾的，去y变i加-ed,study-studied,4)以重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加-ed,stop-stopped,2.不规则动词的过去分词：,am,is,are,been,have,has,had,do,done,write,written,go,gone,exercise,同义句转换,Theyshouldallowustohavepart-timejobs._.Weshouldallowchildrentospendtimewiththeirfriends._.TheteachershouldallowAnnatofinishthepicture._.Parentsshouldallowchildrentochoosetheirownfriends._.,Thetelephone_(invent)byBellin1876.Thetreesmay_(plant)inspring.Teenagersshouldnot_(allow)todrive.English_(speak)inCanada.Mathmust_(study)well.We_(need)tolearnEnglish.,exercise,Finishthesentences,1Studentsshould_tochoosetheirownclothes.AallowBallowedCareallowedDbeallowed2Theflowers_bythestudentsyesterday.AarewateredBwateredCwerewatchingDwerewatered3Didyougetyourears_?ApierceBtopierceCpiercedDpiercing4Doyouthink_shouldsmoke?Asixteen-years-oldBsixteen-year-oldsCsixteen-years-oldsDsixteen-yearold5Ithinkteenagersarent_todrive.AsuchseriousBsoseriousCseriousenoughDenoughserious6“Stop_,andlistentome,”theteachersaid.AtalkBtalkingCtotalkDtalked7Studentsshouldstayathome_schoolnights.AatBinConDfor8Helikesplayingbasketball._.ASoamIBSoIamCSodoIDSoIdo,D,D,C,B,C,B,C,C,根据中文完成句子,1.应该允许青少年选择自己的服装,Teenagers_tochoosetheirownclothes.,2.安娜想穿耳洞.,Annawantsto_.,shouldbeallowed,getherears,pierced,3.我认为不应该允许岁的孩子开车,Ithink_shouldntbeallowedtodrive.,sixteen-year-olds,同义句转换,Parentsshouldallowtheirchildrentochoosetheirownclothes.,Childrenshouldbeallowedtochoosetheirownclothes.,2.Tominvitedmetohisparty.,Iwasinvitedtotheparty.,Lookatthefollowingpictures,andmakeshortconversations.,A:Idontthinksixteen-year-oldsshouldbeallowedtodrive.B:Iagree.Theyarentseriousenough,Oralpractice,
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