Unit7TeenagersshouldbeallowedtochoosetheirownclothesSectionAGrammarfocus-4c一.教學(xué)目標(biāo)1.討論青少年應(yīng)該或不應(yīng)該被允許做什么。2.了解家規(guī)和校規(guī)。二.教學(xué)重點(diǎn)與難點(diǎn)1.教學(xué)重點(diǎn)：圍繞“sb.should(not)beallowedtodosth.”這個(gè)話題，運(yùn)用所學(xué)短語(yǔ)進(jìn)行討論2.教學(xué)難點(diǎn)：含有情態(tài)動(dòng)詞的被動(dòng)語(yǔ)態(tài)的運(yùn)用及構(gòu)成Freetalk

Lookattheserules,use“Ithink…”,“Idon’tthink…”,“Iagree/disagree”and“should/shouldn’tbeallowedto”toexpressyourownideas.RulesforTeenagers1.Don’tsmoke!2.Don’tdrive!3.Getearspierced!4.Haveapart-timejob!What’sitabout?Lead-inclassroomrulesFinishtherules:1.________yourhandand______tospeak.2.________inschool.Don’t______orskip.3.________nice.RaisewaitWalkrunBePresentationStudentsshouldbeencouragedtoraisetheirhandsandwaittospeak.Studentsmustbetold

nottorunorskipintheclassroom.Teachersshouldencouragestudentstoraisetheirhandsandwaittospeak.Teachersmusttellstudentsnottorunorskipintheclassroom.PairworkA:Whatrulesdoyouhaveathome/atschool/inyourclassroom/inyourdining

hall?B:Weshould/shouldn’t/must/maybe….Idon'tthinksixteen-year-oldsshouldbeallowedtodrive.Iagree.Theyaren'tseriousenough.Doyouthinkteenagersshouldbeencouragedtomaketheirowndecisions?No,Idon'tagreewiththis.Teenagersaretooyoungtomaketheirowndecisions.Teenagersshouldnotbeallowedtohavepart-timejobs.Idisagree.Theycanlearnalotfromworking.Doyouthinkwemaybeallowedotakephotosifwedon'tuseaflash?Ifyoudon'tuseaflash,thenitmaybeOK.GrammarFocusCirclethestructureofpassivevoicewithmodalverbsfromthesesentences.Myhomeworkshouldbedone(byme)everyday.Myhomeworkshouldnotbedone(byme)everyday.Shouldyourhomeworkbedone(byyou)everyday?肯定句否定句一般疑問(wèn)句肯定句結(jié)構(gòu)：Myhomeworkshouldbedone(byme)everyday.主語(yǔ)+情態(tài)動(dòng)詞+be+done+(by+賓語(yǔ))+其它Sentencepattern(句式)否定句結(jié)構(gòu)：Myhomeworkshould

bedone(byme)everyday.not主語(yǔ)+情態(tài)動(dòng)詞+not+bedone+其它一般疑問(wèn)句結(jié)構(gòu)：MyhomeworkshouldbedoneyourhomeworkShould(byme)everyday.(by

you)?DoanexerciseAskingquestionscanbeallowedduringclass.Canaskingquestionsbeallowedduringclass?情態(tài)動(dòng)詞+主語(yǔ)+bedone+其它含有情態(tài)動(dòng)詞的被動(dòng)語(yǔ)態(tài)語(yǔ)態(tài)有主動(dòng)語(yǔ)態(tài)和被動(dòng)語(yǔ)態(tài)兩種。主動(dòng)語(yǔ)態(tài)表示主語(yǔ)是動(dòng)作的執(zhí)行著;被動(dòng)語(yǔ)態(tài)表示主語(yǔ)是動(dòng)作的承受者。為了表達(dá)主語(yǔ)與謂語(yǔ)動(dòng)詞存在的這種被動(dòng)關(guān)系，謂語(yǔ)動(dòng)詞要變?yōu)檫^(guò)去分詞形式1含有情態(tài)動(dòng)詞的被動(dòng)語(yǔ)態(tài)結(jié)構(gòu)情態(tài)動(dòng)詞(should/can/must/may/could等)+be+及物動(dòng)詞的過(guò)去分詞+(其他)例:Manytreesshouldbeplantedonthemountains.應(yīng)該在山上種許多樹(shù)2含有情態(tài)動(dòng)詞的被動(dòng)語(yǔ)態(tài)的基本句式(1)肯定句主語(yǔ)+情態(tài)動(dòng)詞(can，may，must等)+be+及物動(dòng)詞的過(guò)去分詞(+其他)(2)否定句:主語(yǔ)+情態(tài)動(dòng)詞(can，may，must等)+not+be+及物動(dòng)詞的過(guò)去分詞(+其他)(3)問(wèn)句:情態(tài)動(dòng)詞(Can，May，Must等)+主語(yǔ)+be+及物動(dòng)詞的過(guò)去分詞(+其他)?例:WeshouldallowteenagerstosurftheInternet.我們應(yīng)該允許青少年上網(wǎng)TeenagersshouldbeallowedtosurftheInternet.(被動(dòng)語(yǔ)態(tài)肯定)TeenagersshouldnotbeallowedtosurftheInternet.(被動(dòng)語(yǔ)態(tài)否定句)ShouldteenagersbeallowedtosurftheInternet?(被動(dòng)語(yǔ)態(tài)疑問(wèn)句)3含有情態(tài)動(dòng)詞的主動(dòng)句與被動(dòng)句之間的轉(zhuǎn)換含有情態(tài)動(dòng)詞的主動(dòng)句變?yōu)楸粍?dòng)句時(shí)，要把主動(dòng)句中的賓語(yǔ)變?yōu)楸粍?dòng)句中的主語(yǔ)，主動(dòng)句中的謂語(yǔ)變?yōu)椤扒閼B(tài)動(dòng)詞+be+及物動(dòng)詞的過(guò)去分詞”，主動(dòng)句中的主語(yǔ)作介詞by的賓語(yǔ)(如果不強(qiáng)調(diào)動(dòng)作的執(zhí)行者，by短語(yǔ)可省略)主動(dòng)句:Shemustcleanherroomeveryday.主語(yǔ)謂語(yǔ)賓語(yǔ)被動(dòng)句:Herroommustbecleaned(byher)everyday.每天她必須打掃她的房間。thehomeworkbedone(byLucy)

tomorrowinstead?Rewritethesentencesaccordingtotheexample.4apracticen.社區(qū)；社團(tuán)1.Youmustcleanyourbedroomeveryday.Yourbedroommustbecleanedeveryday.4.DoyouthinkwemustkeepteenagersawayfromtheInternet?Doyouthinkteenagers___________________________________

5.Parentsshouldgiveteenagerschancestomaketheirowndecisions.Teenagers_________________________________________________mustbekeptawayfromtheInternet?shouldbegivenchancestomaketheirowndecisions.避免接近；遠(yuǎn)離n.機(jī)會(huì)；可能性Fillintheblankswiththecorrectformsofthewordsinbrackets.Shouldteenagers________(ask)tomoveoutwhentheystartworking?InmanyWesterncountries,teenagers__________(allow)tomoveoutateighteen.Theirparentsbelievethattheyshould___________(educate)totakecareofthemselvesfromayoungage.Thisway,whenthey_________(start)workingtheycanmanagetheirownlives.beaskedareallowedbeeducatedstart4bv.教育；教導(dǎo)v.完成（困難的事）；應(yīng)付（困難局面）movetakecontinue4c

YouandyourfriendarestartinganEnglish

club.Makealistofrulesaboutwhatshould

andshouldnotbeallowed.

Membersshould

beallowedtousedictionaries.

Yes,buttheyshouldonlyuseEnglish-

Englishdictionaries.SampleDialogue1

A:Membersshouldbeallowedtousedictionaries.B:Yes,buttheyshouldonlyuseEnglish-Englishdictionaries.MembersareallowedtouseEnglish-Englishdictionaries.PracticeA:Membersshouldn’tbeallowedtospeakChinese.B:Iagree.OnlyinthiswaycanyouimproveyourEnglish.SampleDialogue2PracticeYoungtreesshould________everyyear.A.beplantedB.plantedC.plantⅡ.按要求完成下列各句每空一詞含縮寫(xiě)。

1.Wemustdotheworkrightnow.(改為被動(dòng)語(yǔ)態(tài))___________________________________rightnow.ATheworkmustbedoneⅠ.選擇最佳答案。2.Teenagersshouldbeallowedtogooutwiththeirfriendsonschoolnights.(改為否定句)Teenagers_____________________togooutwiththeirfriendsonschoolnights.3.Abookshouldbereadeachmonth.(改為一般疑問(wèn)句)___________________________________eachmonth?shouldn’tbeallowedShouldabookberead

1.Theirwork