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1、Unit3Teenagersshouldbeallowedtochoosetheirownclothes.SectionAPeriod1（1a2c）Whatcanyoudoatschool?Whatcantyoudoatschool?StudentsStudentsshouldnotbeallowedtoshouldnotbeallowedtotakemobiletakemobilephonestoschool.phonestoschool.Do you agree or disagree?Do you agree or disagree?Studentsshouldbeallowedtodo
2、homeworkwithfriends.StudentsStudentsshouldnotbeallowedtoshouldnotbeallowedtogooutatnight.gooutatnight.Studentsshouldnotbeallowedtotakepart-timejobs.1aReadthestatementsbelow.Circle“A”(foragree)or“D”(fordisagree).AD1.teenagersshouldbeallowedtogooutwiththeirfriendseverynight.AD2.Sixteen-year-oldsshould
3、beallowedtodrive.AD3.Studentsshouldnotbeallowedtotakepart-timejob.AD4.Sixteen-year-oldsshouldbeallowedtogettheirearspierced.AD5.Sixteen-year-oldsshouldbeallowedtochoosetheirownclothes.Lookattheflash.Listenandcircle“T”(fortrue)or“F”(forfalse).1b1.AnnacangotothemallwithJohn.2.Annawantstogetherearspier
4、ced.3.Annaisallowedtochooseherownclothes.TFTFTFsixteen-year-olds十六岁的青少年十六岁的青少年相当于名词短语相当于名词短语sixteenyear-oldkids“一个一个16岁青少年岁青少年”的表达方式：的表达方式：akidofsixteenakidofsixteenyearsoldasixteen-year-oldkidExplanation1）adj.enough作定语用在名词前、后都可以作定语用在名词前、后都可以Ihaveenoughtimetodothework./Ihavetimeenoughtodothework.2）a
5、dv.enough修饰形容词或副词表示程度，修饰形容词或副词表示程度，一般放在形容词或副词的后边。一般放在形容词或副词的后边。longenough,easyenough,fastenough,quicklyenough等。等。enough我认为不应该允许我认为不应该允许我认为不应该允许我认为不应该允许1616岁的孩子开车。岁的孩子开车。岁的孩子开车。岁的孩子开车。Idontthinksixteen-year-oldsshouldbeallowedIdontthinksixteen-year-oldsshouldbeallowedtodrive.todrive.sbsb.+should/shou
6、ldnot+beallowedtodo.+should/shouldnot+beallowedtodo.SentencestructureGrammarFocus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Teenagersshouldbeallowedtochoosetheirownclothes.情态动词有四类：情态动词有四类：只做情态动词：只做情态动词：must,can(could),may(might)可做情态动词又可做实义动词：可做情态动词又可做实义动词：need,dare具有
7、情态动词特征：具有情态动词特征：have(had,has)to,usedto情态动词表猜测情态动词表猜测shouldhavedoneTeenagersshouldbeallowedtochoosetheirownclothes.青少年应该被允许选择他们自己的服装。青少年应该被允许选择他们自己的服装。Studentsshouldnotbeallowedtohavepart-timejobs.学生们不应该允许做兼职工作。学生们不应该允许做兼职工作。Canthesebooksbetakenoutofthereadingroom?可以把这些书带出阅览室吗？可以把这些书带出阅览室吗？Whenmustth
8、eworkbefinished?这些工作必须什么时候完成？这些工作必须什么时候完成？1.Theirworkmust_(finish)byfouroclock.2.Yourhomeworkshould_(do)byyourself.3.Thesebooksmustnt_(take)outofthereadingroom.4.Shouldthesefood_(keep)dry?befinishedbedonebetakenbekept用所给词的适当形式填空。用所给词的适当形式填空。翻译下列句子。翻译下列句子。1.青少年需要被好好地教育。青少年需要被好好地教育。_2.这辆小汽车不能修了。这辆小汽车不
9、能修了。_3.这封信必须现在寄出去吗？这封信必须现在寄出去吗？_4.会议应该在哪举行？会议应该在哪举行？_Teenagersneedtobeeducatedwell.Thiscarcantberepaired.Mustthisletterbepostednow?Whereshouldthemeetingbeheld?A:Idontthinksixteen-year-oldsshouldbeallowedtodrive.B:Iagree.Theyarentseriousenough.toowildnotseriousenoughtooyoungnotoldenoughtoosillynotcal
10、menoughLookatthestatementsin1aandmakeconversations.Usethephrasesintheboxbelow.Sampledialogue1:Sampledialogue1:A:A:IthinkteenagersshouldbeallowedIthinkteenagersshouldbeallowedtogooutwiththeirfriends.togooutwiththeirfriends.B:B:Iagree.Theyareoldenough.TheyIagree.Theyareoldenough.Theycanlookafterthemse
11、lveswell.canlookafterthemselveswell.Sampledialogue2:Sampledialogue2:earringA:Idontthinktwelve-year-oldsshouldbeallowedtogettheirearspierced/wearearring.B:Iagree.Itstoosillytowearearringsintheschool.Sampledialogue3:Sampledialogue3:A:A:IthinkstudentsshouldbeallowedIthinkstudentsshouldbeallowedtodohome
12、workwiththeirfriends.todohomeworkwiththeirfriends.B:B:Idisagree.TheytalkinsteadofIdisagree.Theytalkinsteadofdoinghomework.doinghomework.根据句意及首字母提示写单词根据句意及首字母提示写单词,完成句子。完成句子。1.Ifyoudonthaveadriversl_,youcantdriveacar.2.WhydidImakesuchas_mistakeagain?3.Hisfatherdidnta_himtosmoke.icenseillyllow 选择括号中所给
13、词的适当形式填空。选择括号中所给词的适当形式填空。1.Sheis_(oldenough/enoughold)todressherself.2.Iwilltakea_(two-month/twomonths)training.3.Thegirlshouldbe_(send/sent)tothehospitalatonce.oldenoughtwo-monthsentListenandcheckwhatKathythinks.2aKathy1.Sixteen-year-oldsshouldnotbeallowedtoworkatnight.2.Larryshouldntworkeverynight
14、.3.Heshouldcuthishair.4.Heshouldstopwearingthatsillyearring.5.Hedoesntseemtohavemanyfriends.6.Heshouldntworkonweekends.2aYoumaycircle“Agrees”,“Disagrees”,or“Doesntknow”toshowwhatMollythinks.KathyMolly1.Sixteen-year-oldshouldnotbeallowedtoworkatnight.AgreesDisagreesDoesntknow2.Larryshouldntworkeveryn
15、ight.AgreesDisagreesDoesntknow3.Heshouldcuthishair.AgreesDisagreesDoesntknow4.Heshouldstopwearingthatsillyearring.AgreesDisagreesDoesntknow5.Hedoesntseemtohavemanyfriends.AgreesDisagreesDoesntknow2bListenagain.WhatareKathysandMollysReasons?Numbertheirreasonsinthecorrectorder.Itlookscool.Youngpeoplen
16、eedtosleep.Heneedstospendtimewithfriends.Heneedstimetodohomework.Itdoesntlookclean.4 41 13 32 25 5主主seemtodosth.好像好像Histemperatureseemstobeallright.他的体温好像完全正常。他的体温好像完全正常。seem的其他用法的其他用法:(1)seem+形容词形容词Thequestionseemsquiteeasy.那个问题好像很容易。那个问题好像很容易。seem(2)seem+名词名词Thatseemsagoodidea.好像是个好主意。好像是个好主意。(3)I
17、tseems+that从句从句Itseemedthatnobodyknewanythingaboutthematter.看来没有人知道这件事。看来没有人知道这件事。翻译下面的句子。翻译下面的句子。1.仿佛大多数人阅读是为了通过考试。仿佛大多数人阅读是为了通过考试。Mostseemtoreadtopassexams.2.我们大家似乎都同意。我们大家似乎都同意。Itseemedthatweallagree.3.要学生买本字典，好像也很合理。要学生买本字典，好像也很合理。Itseemsreasonabletoaskstudentstobuyadictionary.insteadof是介词短语是介词短
18、语,意为意为“代替代替,而不是而不是”,后面可以后面可以接名词、代词或动词接名词、代词或动词-ing形式形式,且且of后面的内容是被后面的内容是被“舍舍”的的,即不去做的。即不去做的。Theytalkinsteadofdoinghomework.他们聊天而不做作业。他们聊天而不做作业。insteadof后面还可以接形容词、副词或介词短语等后面还可以接形容词、副词或介词短语等,此时它起连接词的作用。此时它起连接词的作用。Illgothereonfootinsteadofbybus.我要步行去那儿我要步行去那儿,而不坐公共汽车。而不坐公共汽车。insteadof链接链接我们以前学过我们以前学过in
19、stead,它也有它也有“代替代替”的意思的意思,但它但它是副词是副词,在句中作状语在句中作状语,只能单独使用只能单独使用,且用且用instead时时,句中的内容是被句中的内容是被“取取”的的,即要做的。即要做的。Ifyouareverybusy,youmaycometomorrowinstead.如果你很忙如果你很忙,你可以明天再来。你可以明天再来。翻译下面句子翻译下面句子1.他应该把朋友邀请到这儿来，而不是出去。他应该把朋友邀请到这儿来，而不是出去。Heshouldinvitehisfriendshereinsteadofgoingout.2.你能用英语代替日语给我写信吗？你能用英语代替日语给我写信吗？CouldyoupleasewritemeinEnglishinsteadofinJapanese?Makealistofthethingsteenagersshouldandshouldnotbeallowedtodo.Discussyourlistwithyourpartner.A:Doyouthinkteenagersshould?B:Yes,I