英语人教版九年级全册Unit 7 Teenagers should be all.ppt

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1、Unit7Teenagersshouldbeallowedtochoosetheirownclothes.SectionA（1a-1c）Period1教学过程：Step1:新课导入(NewLessontoimport)Discuss(一)谈论家规班规校规（运用含情态动词的主动语态“情态动词+v.原形”）（二）grammar提示被动语态定义:表示主语是动作的承受者.构成:“be+及物v.的过去分词”（be动词有人称时态和数的变化）Unit5一般现在时的被动语态（am/is/are+及物v.的过去分词）Unit6一般过去时的被动语态（was/were+及物

2、v.的过去分词）Unit7含情态动词的被动语态:情态动词＋be＋及物v.的过去分词SectionA(1a-1c):重点使用情态动词should和及物v.allow“允许”allowsb.todosth.(主动语态)/sb.beallowedtodosth.(被动语态)shouldbeallowedtodosth.在句型中的运用。Step2:句型教学(Sentencepatternteaching)(1c)以同桌对话、小组对话、师生对话的形式进行句型操练来完成任务，同时归纳总结出：含情态动词的被动语态“情态动词+be+及物v.的过去分词”（should+

3、be+allowedtodosth.）(否定前移的宾语从句：形式上在主句里否定，实际上否定之意在从句里)A:Idon’tthinkteenagersshouldbeallowedtochoosetheirownclothes.smokedrivegettheirearspiercedhavepart-timejobsB:Iagree.(Ithinkso.)/Idisagree.(Idon’tthinkso.)A:Idon’tthinkstudentsshouldbeallowedtosmoke.B:Iagree.(Ithinkso.)/Idisagre

4、e.(Idon’tthinkso.)Smokingisbadforhealth.A:Idon’tthinkstudentsshouldbeallowedtofight.B:Iagree.(Ithinkso.)/Idisagree.(Idon’tthinkso.)A:Idon’tthinkstudentsshouldbeallowedtogettheirearspierced.sixteen-year-oldsteenagersB:Iagree.(Ithinkso.)/Idisagree.(Idon’tthinkso.)A:Idon’tthinkstud

5、entsshouldbeallowedtodrive.B:Iagree.(Ithinkso.)/Idisagree.(Idon’tthinkso.)driveacardriver’slicenseStep2:句型教学(Sentencepatternteaching)(1c)以同桌对话、小组对话、师生对话的形式进行句型操练来完成任务，同时归纳总结出：含情态动词的被动语态“情态动词+be+及物v.的过去分词”（should+be+allowedtodosth.）(否定前移的宾语从句：形式上在主句里否定，实际上否定之意在从句里)A:Idon’tthinkte

6、enagersshouldbeallowedtochoosetheirownclothes.smokedrivegettheirearspiercedhavepart-timejobsB:Iagree.(Ithinkso.)/Idisagree.(Idon’tthinkso.)1.AnnacangotothemallwithJohn.TF2.Annawantstogetherearspierced..TF3.Annaisallowedtochooseherownclothes.TF1b(课本中)Listenandcircle“T”or“F”.Step5

7、:听力训练（Listen1b）Step3词汇教学(Vocabularyteaching)(1)情态动词should/can/must/may....+V.原形(2)及物v.allow“允许”allowdoingsth.(3)allowsb.todosth.(4)sb.beallowedtodosth.(5)shouldbeallowedtodosth.(6)getone’searspierced(get/have“使....”,作使役动词用，getsb./sth.done(过去分词)“使某人或某物被做”)(7)“sixteen-year-old”结构：

8、“名词，....岁的人，可数形式使用，复数加s”;“合成词，....岁的，作定语，修饰n.”(