九年级英语第三单元a部分课件.ppt

九年级英语第三单元a部分课件.ppt

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Unit3TeenagersshouldbeallowedtochoosetheirownclothessectionAWehaveanewclassmatethisterm.Atthebeginningoftheterm,hewantstoknowsomerulesaboutourschool.Whatrulesdoyouhaveatyourschool?

Weshouldcleanupclassroomeveryday.Weshouldnotgotoclasslate.Teachersdontallowustotalkinginclass.Teacherallowustodiscussinclass.Myheadteacherallowustoreadbooksloudlyinthemorning.Parentsallowustogooutwithfriendsonweekends.MyparentsallowmetogoshoppingwithmyfriendsSixteen-year-oldsshouldbeallowedtodrive.Parentsshouldallowfifteen-year-oldstomaketheirowndecision.Parentsshouldallowfifteen-year-oldstochoosetheirownclothes.Parentsshouldallowteenagerstogooutwiththeirfriendsatnight.Teacheraskstwostudentstoread1cofdialogues.Teacherdividesstudentsintogroupandletsstudentsmakesimilardialogueswithpartners.A:

Teenagersshouldnotbeallowedtodrive.B:

Iagree.Theyarenotold/calm/seriousenough.lAfterstudentspracticeconversationwithpartners,teacherencouragesthemandgivesgoodcommentsabouttheirperform.lTeacherexplains2aandgivesstudentsthreeminutestopreparefor2aand2b.ListenandcheckwhatKathythinks.Circle:

Agree”“disagree”or“Doesntknow”toshowwhatMollythinks.lTeacherletsstudentsread2bandremindstudentslistencarefultocorrectrightorder4Itlookscool.1Youngpeopleneedtosleep.5Heneedstospendtimewithfriends.2Heneedstimetodohomework.3Itdoesntlookclean.lTeacherchecksoutthecorrectorderandlettwostudentsread2c.Thenasksstudentsmakealistofthingstheyshoulddoandnotbeallowedtodo.lTeacherintroducesgrammarfocusandexplaindifficultpointsindetail.lStudentsreadthethreesentencesafterteacherexplainits.lGrammarpointareasfollowed:

1被动语态的定义英语动词有语态，一种是主动语态，另一种是被动语态。

主动语态的主语是动作的执行者，相当于语文中的一般句子。

被动语态的主语是动作的承受者，相当于语文中的被动句。

被动语态的基本时态有过去，现在，将来，和完成时。

我们本单元主要学习的是它的一种特殊形式。

它叫做含情态动词的被动语态2.含情态动词的被动语态它的构成如下：

它的构成如下：

动作的承受者动作的承受者+情态动词情态动词+助动词助动词be+be+及物动词的过及物动词的过去分词去分词+by+by+动作的执行者。

（当我们不知道谁是执动作的执行者。

（当我们不知道谁是执行者或没有必要指出时可以省略）行者或没有必要指出时可以省略）Flowersshouldbewateredbyuseveryday.Flowersshouldbewateredbyuseveryday.ClassroommustbecleanedClassroommustbecleaned3、allow的用法1.allowsbtodosthMyteachersallowmetodiscusswithmypartnersinclass.2.beallowedtodosth被允许做某事weareallowedtogooutwithourfriendsonweekend.GrammarfocusIthinkstudentsshouldbeIthinkstudentsshouldbeallowedtodohomeworkallowedtodohomeworkwithfriendswithfriends,Idisagree.TheytalkIdisagree.Theytalkinsteadofdoinginsteadofdoinghomework.homework.Sixteen-year-oldsshouldSixteen-year-oldsshouldnotbeallowedtodrive.notbeallowedtodrive.Iagree.TheyIagree.TheyarentarentseriousenoughseriousenoughatthatageatthatageDoyouthinksixteen-year-Doyouthinksixteen-year-oldsshouldbeallowedtooldsshouldbeallowedtoworkatnight?

workatnight?

Yea,Ido./No,Idont.Yea,Ido./No,Idont.lFirstofall,teacheraskssomestudentstotranslatesentencesinChinese.1.Teenagers1.Teenagersshouldnotbeallowedtoshouldnotbeallowedtotakemobilephonestoschool.takemobilephonestoschool.2.Teenagers2.Teenagersshouldbeallowedtodoshouldbeallowedtodohomeworkwithfriends.homeworkwithfriends.3.Teenagers3.Teenagersshouldnotbeallowedtoshouldnotbeallowedtogogooutatnight.outatnight.4.Teenagers4.Teenagersshouldnotbeallowedtoshouldnotbeallowedtohavepart-timejobs.havepart-timejobs.lLateron,teachersgivesfourminutestoread3aandthenfinishthechart.Thechartasfollowed:

SunSunFeiFeiWuYuWuYuDontgooutonschoolDontgooutonschoolnights.nights.DontgooutonschoolDontgooutonschoolnights.nights.YoucanstudyataYoucanstudyatafriendshouse.friendshouse.YouYoucancangogototothethemoviesmovieswithwithfriendsfriendsonFridaynightsonFridaynights.YouYoucancangogototothethemoviesmovieswithwithfriendsfriendsononFridayFridaynightsnightsYouYoucancangogoshoppingshoppingwithwithfriendsfriendsononSaturdayafternoonSaturdayafternoonDontbeoutafter10:

00Dontbeoutafter10:

00pm.pm.YoucanchooseyourYoucanchooseyourownclothes.ownclothes.3bPairworkSunSunFeiFei:

Whatrulesdoyouhaveathome?

:

Whatrulesdoyouhaveathome?

WuYu:

Well,ImnotallowedtogooutonWuYu:

Well,Imnotallowedtogooutonschoolnights.Howaboutyou?

schoolnights.Howaboutyou?

SunSunFeiFei:

Imnotallowedtogoouton:

Imnotallowedtogooutonschoolnights,schoolnights,eithereither.ButIcan.ButIcanTeachershoulddo:

lTeacherreadtheinstructionof3banddivideTeacherreadtheinstructionof3banddividethewholeclassintoeightgroupthewholeclassintoeightgroup.lAndthenletstudentspracticeitswithpartnersAndthenletstudentspracticeitswithpartners.lTeacherasksstudentstoshowtheirTeacher