Unit-7-Teenagers-should-be-allowed-section-A-3a-3c人教版-九年级-省一等奖精选课件

Unit7Teenagersshouldbeallowedtochoosetheirownclothes.SectionA（3a-3c）Unit7SectionA（3a-3c）Whatkindoftextarewegoingtoread?Whatdoyouthinkthepoemisabout?Doyourememberwhatyourmotherdidwhenyouwereababyandyoucried?Doyoulistentoyourmotherandbehavewell?Howyoufeelaboutyourmothernow?Doyouarguewithyourmotherortalkbacktoher?Doyouregretanythingyoudidtoyourparents?Whatkindoftextarewegoing3aReadthepoemaloudanddiscusswhatthetitlemeanswithyourpartner.MomKnowsBestn.

诗歌Practice3aReadthepoemaloudanddis3aMomKnowsBestWhatdoesthetitlemean?Doyouagreewithit?Practice3aMomKnowsBestPracticeHowdoyougetalongwithyourparents?Talkaboutonethingyoudisagreedwiththemandhowyoudealtwithit.FreeTalk课前预习HowdoyougetalongwithyFindoutthenewwordsandunderlinethem!Hurryup!FindoutthenewwordsandundWhenIwasatinybabycryingallnight,mymomsangtomeandstayedbymyside.WhenIwastiredandhungry,shegavemefoodandwarmarmstosleepin.WhenIwastworunningthroughthefield,shemadesureIwassafeandkeptmefromdanger.WhenIfellandhurtmyself,shegavemeahugandliftedmeup.n.

田野,场地v.

举起，抬高;n.

电梯；搭便车n.

拥抱v.&n.

哭，叫喊adj.

微小的WhenIwasatinybabycryingWhenIwassevencoughingbadly,shesaidnoice-creamforme.ButItalkedbackloudly,“Ishouldbeallowedtoeatsome!Giveittomenow!”

WhenIwasninewatchingscarymovies,shesaidit’dgivemeawfuldreams.ButIshoutedbackangrily,“Ishouldbeallowedtowatchit!I’mnotababy!”回嘴，顶嘴adj.

很坏的，讨厌的adv.

非常；严重地WhenIwassevencoughingbadlWhenIwasateengoingoutwithfriends,shesaid,“Pleasebebackbyten!”ButItalkedbackagain—“Ishouldnotbetoldwhattodo!I’mseventeennow!”n.

青少年WhenIwasateengoingoutwiNowI’manadult,thinkingbacktothosetimes.Icoughedfordaysaftereatingthatice-creamAndhadscarydreamsafterwatchingthatfilm.Iwaslateforschoolfromstayingoutpastten.Iregrettalkingback,notlisteningtoMom.Momknowsbest,andformeshewantedonlythebest!v.&n.

感到遗憾，懊悔

NowI’manadult,thinkingbac3bReadthepoemagainandanswerthequestions.1.Whatdidthemomdowhenthewriterwasababyandasmallchild?2.Whydoyouthinkthewritertalkedbacktohismomwhenhewassevenandnineyearsold?3.Howdidthewriterfeelwhenhewasateenagerandhismomsaid“Pleasebebackbyten”?4.Afterreadingthewholepoem,howdoyouthinkthewriterfeelsabouthismom?Practice3bReadthepoemagainandansUnit-7-Teenagers-should-be-allowed-section-A-3a-3c人教版-九年级-省一等奖精选课件Watchavideo.Watchavideo.Afterwatching,doyouknowwhotheboyisandwhothetreeis?Thetreeisourmother!Nomatterhowbusyyouare,sharesometimewithparents!Afterwatching,doyouknowwhNowlet'sreadthepoemagainfulloffeelings.MomKnowsBestNowlet'sreadthepoemagainUnit-7-Teenagers-should-be-allowed-section-A-3a-3c人教版-九年级-省一等奖精选课件1.Whatdidthemomdowhenthewriterwasababyandasmallchild?3bAnswerthequestions.Whenthewriterwasababyandasmallchild,themomdidthese:sangtohimandstayedbyhissidewhenhecriedPractice1.WhatdidthemomdowhenthgavehimfoodandwarmarmstosleepinwhenhewastiredandhungrykepthimsafewhenhewasrunningthroughthefieldhuggedhimandliftedhimupwhenhefellPracticegavehimfoodandwarmarmstHefeltthathewasgrowingupandhedidnotwanttobetreatedlikealittlechildanymore.2.Whydoyouthinkthewritertalkedbacktohismomwhenhewassevenandnineyearsold?PracticeHefeltthathewasgrowingup3.Howdidthewriterfeelwhenhewasateenagerandhismomsaid“Pleasebebackbyten”?Hewasupsetbecausehefeltthathewasoldenoughtobeindependentandshouldnotbetoldwhattodo.Practice3.Howdidthewriterfeelwhe4.Afterreadingthewholepoem,howdoyouthinkthewriterfeelsabouthismom?Heloveshismomandisthankfulforwhatshehasdoneforhim.Practice4.Afterreadingthewholepoestaybymysidemakesurekeepsbfrom…givemeahugliftmeuptalkbackawfuldreamsregretdoing1.呆在我身边2.确信，确保3.远离4.拥抱我5.把我举起6.回嘴，顶嘴7.恶梦8.后悔做某事Phrasesstaybymyside1.呆在我身边Phrase3cThinkaboutatimeyoudidsomethingeventhoughyourmomordadtoldyounottodoit.Shareyourstorywithyourpartner.Speaking•Howoldwereyou?•Didyoutalkbacktoyourmomordad?•Whathappened?•Howdoyoufeelaboutitnow?Practice3cThinkaboutatimeyoudidWhatdidyourmotherdowhenyouwereasmallchild?Writeashortpassage.Whatdidyourmotherdowheny1.Childrenaretheparents’riches.

子女是父母的至宝。2.Alittlechildisthesweetestandpurestthingintheworld.

孩童是世界上最可爱和最纯洁的。

3.Happyishethatishappyinchildhood.童年时快乐的人是幸福的。

知识拓展1.Childrenaretheparents’r5.Heisthehappiest,beheKingorpeasant,whofindspeaceinhishome.—JohannWolfgangvonGoethe,Germandramatistandpoet无论是国王还是农夫，家庭和睦是最幸福的。

——德国剧作家、诗人J.W.歌德4.AllIam,orcanbe,Iowetomyangelmother.—AbrahamLincoln,Americanpresident我之所有,我之所能,都归功于我天使般的母亲。

——美国总统·林肯知识拓展5.Heisthehappiest,beheK6.Weneverknowtheloveoftheparentsuntilwebecomeparentsourselves.—HenryWardBeecher,Americanclergymanandorator不养儿不知父母恩。

——美国牧师、演说家H.W.比沏

知识拓展6.Weneverknowtheloveoft7.Beiteversohumble,thereisnoplacelikehome.—JohnHowardPayne,Americandramatistandactor金窝，银窝，不如自家的草窝。休嫌它寒微贫贱,天涯无处似家园。

——美国剧作家、演员J.

H.佩恩知识拓展7.Beiteversohumble,thereUnit-7-Teenagers-should-be-allowed-section-A-3a-3c人教版-九年级-省一等奖精选课件Unit7Teenagersshouldbeallowedtochoosetheirownclothes.Section

A

GrammarFocus-4c

Unit7SectionAcryallnightstaybyone’ssidesleepinwarmarmsrunthroughthefieldmakesurekeepsb.fromdangergivesb.ahugliftuptalkback整夜哭待在某人身边睡在温暖的臂弯里穿过田野确定；确保使某人远离危险拥抱某人举起，提起回嘴；顶嘴ReviewTranslatethephrases.cryallnight整夜哭ReviewTranslawatchscarymoviesgivesb.awfuldreamsbebackbytenthinkbacktothosetimescoughfordayshavescarydreamsbelateforschoolstayoutregretdoingsth.看恐怖电影带给某人恶梦在10点前回来回想那些时光咳嗽好几天做可怕的梦上学迟到待在外面；不回家后悔做过某事watchscarymovies看恐怖电影Ithinkstudentsshouldbeallowedtodohomeworkwithfriends.Sixteen-year-oldsshouldnotbeallowedtodrive.Doyouthinksixteen-year-oldsshouldbeallowedtochoosetheirownclothes?Lookatthesesentences.课前预习Ithinkstudentsshouldbeall含情态动词的被动语态肯定句:主语+情态动词+be+动词过去分词.否定句:主语+情态动词+not+be+动词过去分词.疑问句:情态动词+主语+be+动词过去分词?GrammarFocus含情态动词的被动语态肯定句:主语+情态动词+be+动词(一)将主动语态的宾语变成被动语态的主语。(二)将含情态动词的主动句式变成被动句式，即：“情态动词+动词原形”变成“情态动词+be+过去分词”，然后再在其后加“by+主动句中的主语(人称代词用宾格)”。by短语也可省略。请看下列各句：转变方法Youshouldfinishyourhomeworkfirst.Yourhomeworkshouldbefinished(byyou)first.Youcantakethismagazinehome.Thismagazinecanbetakenhome(byyou).GrammarFocus(一)将主动语态的宾语变成被动语态的主语。转变方法Yous含情态动词的疑问句、否定句的变化均需借助于情态动词完成。1.一般疑问句：直接将被动语态的陈述句中的情态动词提前。

Mustthistaskbefinishedatonce?

这项任务必须立即完成吗？句式变换GrammarFocus含情态动词的疑问句、否定句的变化均需借助于情态动词完成。句注意：含情态动词的被动语态的一般疑问句的回答，应保留原情态动词，但must表“必须”时，其否定回答应用needn’t；need表“必要”时，其肯定回答应用must。如：---Mustmyexercisebookbehandedinnow?

我的练习本必须现在上交吗？---Yes,itmust.是的，必须现在上交。（No,itneedn’t.不，不必现在上交。）---Needhebeoperatedonatonce?

他必须立即手术吗？---Yes,hemust.是的，他必须。（No,heneedn't.不，他不必。）GrammarFocus注意：含情态动词的被动语态的一般疑问句的回答，应保留原情态动2.特殊疑问句：由特殊疑问词加上被动语态的一般疑问句构成。Whenmustthistaskbefinished?

这项任务必须在什么时候完成？3.否定句：在情态动词后面加上not或never即可，但must表"必要"时否定式为needn't。Thistaskneedn't

befinishedatonce.

这项任务没必要立即完成。GrammarFocus2.特殊疑问句：由特殊疑问词加上被动语态的一般疑问句构成4.

反意疑问句：借助情态动词构成附加疑问部分。如：Thisbridgecanbebuiltnextyear,can'tit?

这座桥明年能建成，是吗？GrammarFocus4.反意疑问句：借助情态动词构成附加疑问部分。如：GraTeenagers

shouldbeallowedtochoosetheirownclothes.

应该允许青少年选择他们自己的服装。Students

shouldnotbeallowedtohavepart-timejobs.

不应该允许学生们做兼职工作。Can

thesebooks

betakenoutofthereadingroom?

可以把这些书带出阅览室吗？When

must

thework

befinished?

这些工作必须什么时候完成？GrammarFocusTeenagersshouldbeallowedto2.Parentsshouldencourageteenagerstodosocialworkfortheircommunity.3.CanLucydoherhomeworktomorrowinstead?Teenagersshouldbeencouraged(bytheirparents)todosocialworkfortheircommunity.Canthehomeworkbedone(byLucy)tomorrowinstead?4a

Rewritethesentencesaccordingtotheexample.Practice2.Parentsshouldencouragete4.DoyouthinkwemustkeepteenagersawayfromtheInternet?5.Parentsshouldgiveteenagerschancestomaketheirowndecisions.DoyouthinkteenagersmustbekeptawayfromtheInternet?Teenagersshouldbegivenchancestomaketheirowndecisions.Practice4.DoyouthinkwemustkeeptThekeysbeaskedareallowed4b

Fillintheblankswiththecorrectformsofthewordsinbrackets.beeducatedstartmovetakecontinuePracticeThekeysbeaskedareallowed4b4cWhatrulesshouldanEnglishclubhave?Makealistofrulesforit.FreeTalkPractice4cWhatrulesshouldanEngliSampleDialogue1

A:Membersshouldbeallowedtousedictionaries.B:Yes,buttheyshouldonlyuseEnglish-Englishdictionaries.MembersareallowedtouseEnglish-Englishdictionaries.PracticeSampleDialogue1MembersareaA:Membersshouldn’tbeallowedtospeakChinese.B:Iagree.OnlyinthiswaycanyouimproveyourEnglish.SampleDialogue2PracticeA:Membersshouldn’tbealloweYoungtreesshould________everyyear.A.beplantedB.plantedC.plantⅡ.按要求完成下列各句每空一词含缩写。1.Wemustdotheworkrightnow.(改为被动语态)___________________________________rightnow.ATheworkmustbedoneⅠ.选择最佳答案。Youngtreesshould_______2.Teenagersshouldbeallowedtogooutwiththeirfriendsonschoolnights.(改为否定句)Teenagers_____________________togooutwiththeirfriendsonschoolnights.3.Abookshouldbereadeachmonth.(改为一般疑问句)

___________________________________eachmonth?shouldn’tbeallowedShouldabookberead2.Teenagersshouldbeallowed

1.Theirworkmust____________(finish)byfouro’clock.2.Yourhomeworkshould__________(do)byyourself.3.Thesebooksmustn’t__________(take)outofthereadingroom.4.Shouldthesefood_________(keep)dry?befinishedbedonebetakenbekeptIII.用所给词的适当形式填空。

1.Theirworkmust__________

IV.句型转换1.Youshouldmakeupthebedeveryday.(改为被动语态)Thebed_____________________upeveryday.

2.Wecan’tseestarsinthedaytime.(改为被动语态)Stars_____________________inthedaytime.3.Youmustreturnthebookontime.(改为被动语态的一般疑问句形式)_______thebook______________ontime?shouldbemadecan’tbeseenMustbereturnedIV.句型转换shouldbe1.Todayalotofinformationcan_______online.A.receiveB.bereceivedC.isreceivedD.receiving答案：B

【解析】被动语态。今天有很多信息能在网上收到，信息被收到要用被动语态。含有情态动词的被动语态的构成：情态动词+be+过去分词。例题解析1.Todayalotofinformation2.

—Mustwecleantheclassroomnow?—No,youneedn't.It

______afterschool.A.mayclean

B.mustclean

C.needbecleaned

D.canbecleaned答案：D【解析】由句意可知it指classroom，it和clean为被动关系，所以用被动语态，含有情态动词的被动语态结构为“情态动词+be+动词过去分词”。排除A和B。need意为“需要”，can意为“可能，可以”。由句意“—我们必须现在就打扫教室吗？—不，不必要。可以放学后打扫”可知,故选D。例题解析2.

—Mustwecleantheclassro3.Thesongremindsmeofmyoldschooldaysassoonasit______.A.isplayedB.playsC.willbeplayedD.willplay答案：A【解析】考查被动语态的用法。句意：这首歌被播放的时候，使我想起了我的学生时代。it作play的承受者，故用被动语态。例题解析3.Thesongremindsmeofmyo4.—Haveyoufinishedyourproject?—Notyet.I’llfinishitifI_______tenmoreminutes.A.giveB.amgivenC.willgiveD.willbegiven答案：B【解析】考查动词的被动语态。句意“如果再给我十分钟我会完成它。”主语与动词give之间是被动关系，在条件状语从句中用一般现在时表将来。例题解析4.—Haveyoufinishedyourpro5.—Ifwetakeashowerinsteadofbath,morewater________.—Iagreewithyou.A.hassavedB.cansaveC.canbesaved答案：C【解析】考查被动语态。句意：——如果我们用淋浴而不是在浴缸里洗澡的话，会节省更多的水。——我赞同你。情态动词的被动语态的构成是：情态动词+be+动词的过去分词。例题解析5.—Ifwetakeashowerinste6.翻译下列句子。1.需要好好地教育青少年。_____________________________________2.这辆小汽车不能修了。____________________________________3.这封信必须现在寄出去吗？____________________________________4.会议应该在哪举行？_____________________________________Teenagersneedtobeeducatedwell.Thiscarcan’tberepaired.Mustthisletterbepostednow?Whereshouldthemeetingbeheld?6.翻译下列句子。Teenagersneed1.YoumustgivebackthedictionarybeforeFriday.(改为被动语态)Thedictionarymust____________backbeforeFriday.2.Heshouldbetoldaboutthemeeting.(改为一般疑问句)______he______toldaboutthemeeting?7.按要求完成句子。(每空一词)begivenShouldbe1.Youmustgivebackthedicti3.Themachinecanbeusedforwashingdishes.(对画线部分进行提问)__________themachine______usedfor?4.这项工作必须按时完成。Theworkmust______________ontime.5.应允许青少年培养自己的爱好。Teenagers_____________________todeveloptheirownhobbies.

Whatcanbebefinishedshouldbeallowed3.ThemachinecanbeusedforUnit-7-Teenagers-should-be-allowed-section-A-3a-3c人教版-九年级-省一等奖精选课件Unit7Teenagersshouldbeallowedtochoosetheirownclothes.SectionA（3a-3c）Unit7SectionA（3a-3c）Whatkindoftextarewegoingtoread?Whatdoyouthinkthepoemisabout?Doyourememberwhatyourmotherdidwhenyouwereababyandyoucried?Doyoulistentoyourmotherandbehavewell?Howyoufeelaboutyourmothernow?Doyouarguewithyourmotherortalkbacktoher?Doyouregretanythingyoudidtoyourparents?Whatkindoftextarewegoing3aReadthepoemaloudanddiscusswhatthetitlemeanswithyourpartner.MomKnowsBestn.

诗歌Practice3aReadthepoemaloudanddis3aMomKnowsBestWhatdoesthetitlemean?Doyouagreewithit?Practice3aMomKnowsBestPracticeHowdoyougetalongwithyourparents?Talkaboutonethingyoudisagreedwiththemandhowyoudealtwithit.FreeTalk课前预习HowdoyougetalongwithyFindoutthenewwordsandunderlinethem!Hurryup!FindoutthenewwordsandundWhenIwasatinybabycryingallnight,mymomsangtomeandstayedbymyside.WhenIwastiredandhungry,shegavemefoodandwarmarmstosleepin.WhenIwastworunningthroughthefield,shemadesureIwassafeandkeptmefromdanger.WhenIfellandhurtmyself,shegavemeahugandliftedmeup.n.

田野,场地v.

举起，抬高;n.

电梯；搭便车n.

拥抱v.&n.

哭，叫喊adj.

微小的WhenIwasatinybabycryingWhenIwassevencoughingbadly,shesaidnoice-creamforme.ButItalkedbackloudly,“Ishouldbeallowedtoeatsome!Giveittomenow!”

WhenIwasninewatchingscarymovies,shesaidit’dgivemeawfuldreams.ButIshoutedbackangrily,“Ishouldbeallowedtowatchit!I’mnotababy!”回嘴，顶嘴adj.

很坏的，讨厌的adv.

非常；严重地WhenIwassevencoughingbadlWhenIwasateengoingoutwithfriends,shesaid,“Pleasebebackbyten!”ButItalkedbackagain—“Ishouldnotbetoldwhattodo!I’mseventeennow!”n.

青少年WhenIwasateengoingoutwiNowI’manadult,thinkingbacktothosetimes.Icoughedfordaysaftereatingthatice-creamAndhadscarydreamsafterwatchingthatfilm.Iwaslateforschoolfromstayingoutpastten.Iregrettalkingback,notlisteningtoMom.Momknowsbest,andformeshewantedonlythebest!v.&n.

感到遗憾，懊悔

NowI’manadult,thinkingbac3bReadthepoemagainandanswerthequestions.1.Whatdidthemomdowhenthewriterwasababyandasmallchild?2.Whydoyouthinkthewritertalkedbacktohismomwhenhewassevenandnineyearsold?3.Howdidthewriterfeelwhenhewasateenagerandhismomsaid“Pleasebebackbyten”?4.Afterreadingthewholepoem,howdoyouthinkthewriterfeelsabouthismom?Practice3bReadthepoemagainandansUnit-7-Teenagers-should-be-allowed-section-A-3a-3c人教版-九年级-省一等奖精选课件Watchavideo.Watchavideo.Afterwatching,doyouknowwhotheboyisandwhothetreeis?Thetreeisourmother!Nomatterhowbusyyouare,sharesometimewithparents!Afterwatching,doyouknowwhNowlet'sreadthepoemagainfulloffeelings.MomKnowsBestNowlet'sreadthepoemagainUnit-7-Teenagers-should-be-allowed-section-A-3a-3c人教版-九年级-省一等奖精选课件1.Whatdidthemomdowhenthewriterwasababyandasmallchild?3bAnswerthequestions.Whenthewriterwasababyandasmallchild,themomdidthese:sangtohimandstayedbyhissidewhenhecriedPractice1.WhatdidthemomdowhenthgavehimfoodandwarmarmstosleepinwhenhewastiredandhungrykepthimsafewhenhewasrunningthroughthefieldhuggedhimandliftedhimupwhenhefellPracticegavehimfoodandwarmarmstHefeltthathewasgrowingupandhedidnotwanttobetreatedlikealittlechildanymore.2.Whydoyouthinkthewritertalkedbacktohismomwhenhewassevenandnineyearsold?PracticeHefeltthathewasgrowingup3.Howdidthewriterfeelwhenhewasateenagerandhismomsaid“Pleasebebackbyten”?Hewasupsetbecausehefeltthathewasoldenoughtobeindependentandshouldnotbetoldwhattodo.Practice3.Howdidthewriterfeelwhe4.Afterreadingthewholepoem,howdoyouthinkthewriterfeelsabouthismom?Heloveshismomandisthankfulforwhatshehasdoneforhim.Practice4.Afterreadingthewholepoestaybymysidemakesurekeepsbfrom…givemeahugliftmeuptalkbackawfuldreamsregretdoing1.呆在我身边2.确信，确保3.远离4.拥抱我5.把我举起6.回嘴，顶嘴7.恶梦8.后悔做某事Phrasesstaybymyside1.呆在我身边Phrase3cThinkaboutatimeyoudidsomethingeventhoughyourmomordadtoldyounottodoit.Shareyourstorywithyourpartner.Speaking•Howoldwereyou?•Didyoutalkbacktoyourmomordad?•Whathappened?•Howdoyoufeelaboutitnow?Practice3cThinkaboutatimeyoudidWhatdidyourmotherdowhenyouwereasmallchild?Writeashortpassage.Whatdidyourmotherdowheny1.Childrenaretheparents’riches.

子女是父母的至宝。2.Alittlechildisthesweetestandpurestthingintheworld.

孩童是世界上最可爱和最纯洁的。

3.Happyishethatishappyinchildhood.童年时快乐的人是幸福的。

知识拓展1.Childrenaretheparents’r5.Heisthehappiest,beheKingorpeasant,whofindspeaceinhishome.—JohannWolfgangvonGoethe,Germandramatistandpoet无论是国王还是农夫，家庭和睦是最幸福的。

——德国剧作家、诗人J.W.歌德4.AllIam,orcanbe,Iowetomyangelmother.—AbrahamLincoln,Americanpresident我之所有,我之所能,都归功于我天使般的母亲。

——美国总统·林肯知识拓展5.Heisthehappiest,beheK6.Weneverknowtheloveoftheparentsuntilwebecomeparentsourselves.—HenryWardBeecher,Americanclergymanandorator不养儿不知父母恩。

——美国牧师、演说家H.W.比沏

知识拓展6.Weneverknowtheloveoft7.Beiteversohumble,thereisnoplacelikehome.—JohnHowardPayne,Americandramatistandactor金窝，银窝，不如自家的草窝。休嫌它寒微贫贱,天涯无处似家园。

——美国剧作家、演员J.

H.佩恩知识拓展7.Beiteversohumble,thereUnit-7-Teenagers-should-be-allowed-section-A-3a-3c人教版-九年级-省一等奖精选课件Unit7Teenagersshouldbeallowedtochoosetheirownclothes.Section

A

GrammarFocus-4c

Unit7SectionAcryallnightstaybyone’ssidesleepinwarmarmsrunthroughthefieldmakesurekeepsb.fromdangergivesb.ahugliftuptalkback整夜哭待在某人身边睡在温暖的臂弯里穿过田野确定；确保使某人远离危险拥抱某人举起，提起回嘴；顶嘴ReviewTranslatethephrases.cryallnight整夜哭ReviewTranslawatchscarymoviesgivesb.awfuldreamsbebackbytenthinkbacktothosetimescoughfordayshavescarydreamsbelateforschoolstayoutregretdoingsth.看恐怖电影带给某人恶梦在10点前回来回想那些时光咳嗽好几天做可怕的梦上学迟到待在外面；不回家后悔做过某事watchscarymovies看恐怖电影Ithinkstudentsshouldbeallowedtodohomeworkwithfriends.Sixteen-year-oldsshouldnotbeallowedtodrive.Doyouthinksixteen-year-oldsshouldbeallowedtochoosetheirownclothes?Lookatthesesentences.课前预习Ithinkstudentsshouldbeall含情态动词的被动语态肯定句:主语+情态动词+be+动词过去分词.否定句:主语+情态动词+not+be+动词过去分词.疑问句:情态动词+主语+be+动词过去分词?GrammarFocus含情态动词的被动语态肯定句:主语+情态动词+be+动词(一)将主动语态的宾语变成被动语态的主语。(二)将含情态动词的主动句式变成被动句式，即：“情态动词+动词原形”变成“情态动词+be+过去分词”，然后再在其后加“by+主动句中的主语(人称代词用宾格)”。by短语也可省略。请看下列各句：转变方法Youshouldfinishyourhomeworkfirst.Yourhomeworkshouldbefinished(byyou)first.Youcantakethismagazinehome.Thismagazinecanbetakenhome(byyou).GrammarFocus(一)将主动语态的宾语变成被动语态的主语。转变方法Yous含情态动词的疑问句、否定句的变化均需借助于情态动词完成。1.一般疑问句：直接将被动语态的陈述句中的情态动词提前。

Mustthistaskbefinishedatonce?

这项任务必须立即完成吗？句式变换GrammarFocus含情态动词的疑问句、否定句的变化均需借助于情态动词完成。句注意：含情态动词的被动语态的一般疑问句的回答，应保留原情态动词，但must表“必须”时，其否定回答应用needn’t；need表“必要”时，其肯定回答应用must。如：---Mustmyexercisebookbehandedinnow?

我的练习本必须现在上交吗？---Yes,itmust.是的，必须现在上交。（No,itneedn’t.不，不必现在上交。）---Needhebeoperatedonatonce?

他必须立即手术吗？---Yes,hemust.是的，他必须。（No,heneedn't.不，他不必。）GrammarFocus注意：含情态动词的被动语态的一般疑问句的回答，应保留原情态动2.特殊疑问句：由特殊疑问词加上被动语态的一般疑问句构成。Whenmustthistaskbefinished?

这项任务必须在什么时候完成？3.否定句：在情态动词后面加上not或never即可，但must表"必要"时否定式为needn't。Thistaskneedn't

befinishedatonce.

这项任务没必要立即完成。GrammarFocus2.特殊疑问句：由特殊疑问词加上被动语态的一般疑问句构成4.

反意疑问句：借助情态动词构成附加疑问部分。如：Thisbridgecanbebuiltnextyear,can'tit?

这座桥明年能建成，是吗？GrammarFocus4.反意疑问句：借助情态动词构成附加疑问部分。如：GraTeenagers

shouldbeallowedtochoosetheirownclothes.

应该允许青少年选择他们自己的服装。Students

shouldnotbeallowedtohavepart-timejobs.

不应该允许学生们做兼职工作。Can

thesebooks

betakenoutofthereadingroom?

可以把这些书带出阅览室吗？When

must

thework

befinished?

这些工作必须什么时候完成？GrammarFocusTeenagersshouldbeallowedto2.Parentsshouldencourageteenagerstodosocialworkfortheircommunity.3.CanLucydoherhomeworktomorrowinstead?Teenagersshouldbeencouraged(bytheirparents)todosocialworkfortheircommunity.Canthehomeworkbedone(byLucy)tomorrowinstead?4a

Rewritethesentencesaccordingtotheexample.Practice2.Parentsshouldencouragete4.DoyouthinkwemustkeepteenagersawayfromtheInternet?5.Parentsshouldgiveteenagerschancestomaketheirowndecisions.DoyouthinkteenagersmustbekeptawayfromtheInternet?Teenagersshouldbegivenchancestomaketheirowndecisions.Practice4.DoyouthinkwemustkeeptThekeysbeaskedareallowed4b

Fillintheblankswiththecorrectformsofthewordsinbrackets.beeducatedstartmovetakecontinuePracticeThekeysbeaskedareallowed4b4cWhatrulesshouldanEnglishclubhave?Makealistofrulesforit.FreeTalkPractice4cWhatrulesshouldanEngliSampleDialogue1

A:Membersshouldbeallowedtousedictionaries.B:Yes,buttheyshouldonlyuseEnglish-Englishdictionaries.MembersareallowedtouseEnglish-Englishdictionaries.PracticeSampleDialogue1MembersareaA:Membersshouldn’tbeallowedtospeakChinese.B:Iagree.OnlyinthiswaycanyouimproveyourEnglish.SampleDialogue2PracticeA:Membersshouldn’tbealloweYoungtreesshould________everyyear.A.beplantedB.plantedC.plantⅡ.按要求完成下列各句每空一词含缩写。1.Wemustdotheworkrightnow.(改为被动语态)___________________________________rightnow.ATheworkmustbedoneⅠ.选择最佳答案。Youngtreesshould_______2.Teenagersshouldbeallowedtogooutwiththeirfriendsonschoolnights.(改为否定句)Teenagers_____________________togooutwiththeirfriendsonschoolnights.3.Abookshouldbereadeachmonth.(改为一般疑问句)

___________________________________eachmonth?shouldn’tbeallowedShouldabookberead2.Teenagersshouldbeallowed

1.Theirworkmust____________(finish)byfouro’clock.2.Yourhomeworkshould__________(do)byyourself.3.Thesebooksmustn’t__________(take)outofthereadingroom.4.Shouldthesefood_________(keep)dry?befinishedbedonebetakenbekeptIII.用所给词的适当形式填空。

1.Theirworkmust__________

IV.句型转换1.Youshouldmakeupthebedeveryday.(改为被动语态)Thebed_____________________upeveryday.

2.Wecan’tseestarsinthedaytime.(改为被动语态)Stars_____________________inthe