Unit3TeenagersshouldbeallowedtochoosetheirownclothesGoforitJ9SectionA1a-2cIwanttoplaywithmyfriends.Butmyfatherdoesn’tallow.Ithinkteenagersshouldbe

allowed

togoouttoplaywiththeirfriends.Parentsshouldallowteenagerstogooutwiththeirfriends.Parentsshouldallowsix-year-oldstodrive.Parentsshouldallowfifteen-year-oldstochoosetheirownclothes.Teenagersshouldbeallowedtogooutwiththeirfriends.Sixteen-year-oldsshouldbeallowedtodrive.Fifteen-year-oldsshouldbeallowedtochoosetheirownclothes.exercise同義句轉換Theyshouldallowustohavepart-timejobs.____________________________.Weshouldallowchildrentospendtimewiththeirfriends._____________________________________.TheteachershouldallowAnnatofinishthepicture._____________________________________.Parentsshouldallowchildrentochoosetheirownfriends._____________________________________.grammar

被動語態定義:表示主語是動作的承受者.構成:助動詞be+及物動詞的過去分詞。助動詞有人稱、時態和數的變化。含有情態動詞的被動語態：情態動詞＋be＋及物動詞的過去分詞。用法：當我們不知道誰是動作的執行者，或者沒有必要指出誰是動作的執行者，或者只強調動作的承受者時，要用被動語態。1.規則動詞的過去分詞：1)一般情況在動詞原形后加-edwatch---watched2)以不發音e結尾的加-dpractice---practiced3)以輔音加y結尾的，去y變i加-edstudy---studied4)以重讀閉音節結尾，末尾只有一個輔音字母，先雙寫該輔音字母，再加-edstop---stopped2.不規則動詞的過去分詞：amisarebeenhavehashaddodonewritewrittengogoneThetelephone___________(invent)byBellin1876.Thetreesmay____________(plant)inspring.Teenagersshouldnot____________(allow)todrive.English___________(speak)inCanada.Mathmust___________(study)well.We________(need)tolearnEnglish.exerciseFinishthesentencesListenandcheckwhatKathythinks.Circle:Agree”

“disagree”or“Doesn’tknow”toshowwhatMollythinks.grammarfocusIthinkstudentsshouldbeallowedtodohomeworkwithfriends.Idisagree.Theytalkinsteadofdoinghomework.Sixteen-year-oldsshouldnotbeallowedtodrive.Iagree.Theyaren’tseriousenoughatthatage.Doyouthinksixteen-year-oldsshouldbeallowedtoworkatnight?No,Idon’t.homeworkMakealistofthingsteenagersshouldandshouldnotbeallowedtodo.Discussyourlistwit