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1.shut[ʃʌt]v.关=closeV.关shut/closethedoor关门2.air[eə]v.给...通风airtheroom给房间通风openthewindowandairtheroom开窗给房间通风airn.空气干净的空气cleanair3.tidy['taɪdɪ]adj.整齐的，干净的这间卧室很整洁。Thisbedroomistidy.untidyadj.乱，不整齐un-前缀，表示否定这间卧室不整齐。Thisbedroomisuntidy.tidy--untidyhappy开心的--unhappylucky幸运的--unluckykind友好的--unkind4.clothes[kləʊðz]n.衣服wardrobe['wɔ:drəʊb]n.衣柜put[pʊt]V.放置puttheclothesinthewardrobe把衣服放在橱柜里5.dust[dʌst]v.掸掉n.灰尘给梳妆台掸灰dustthedressingtable给桌子擦灰dustthetable6.sweep[swi:p]v.扫扫地sweepthefloor2）否定句：主语+mustn’t+动词原形你不应该关门。Youmustn’tshutthedoor.1）肯定句一般疑问句：Must+主语+动词原形我应该关门吗？MustIshutthedoor?肯定回答：Yes,youmust.否定回答：No,youneedn’t.特殊疑问句：疑问词+must+主语+动词原形对shutthedoor提问：WhatmustIdo?练一练：他应该做什么？Whatmusthedo?他应该开窗给房间通风。Hemustopenthewindowandairtheroom.他们应该干什么？Whatmusttheydo?他们应该把衣服放到橱柜里。Theymustputtheclothesinthewardrobe.•Listentothetext,andanswerthequestion.1.IsthisMrs.Jones’slivingroom?2.IsthisMrs.Jones’sbedroom?No,itisn’t.Yes,itis.3.IsAmyinthebedroom?4.Arethoseclothesinthewardrobe?Yes,sheis.No,theyaren’t.5.Isthedressingtabledirty?6.Isthefloorclean?Yes,itis.No,itisn’t.7.Isthedooropen?No,itisn’t.MRS.JONES:Comein,Amy.MRS.JONES:Shutthedoor,please.MRS.JONES:Thisbedroom'sveryuntidy.MAY:WhatmustIdo,Mrs.Jones?MRS.JONES:Openthewindowandairtheroom.MRS.JONES:Thenputtheseclothesinthewardrobe.MRS.JONES:Thenmakethebed.MRS.JONES:Dustthedressingtable.MRS.JONES:Thensweepthefloor.untidyThisbedroom'sveryuntidy.WhatmustIdo?Openthewindowandairtheroom1puttheclothesinthewardrobe2makethebed3dustthedressingtable45____________thewindow______________thefloor_____________thebed___________thedoor___________theroom___________thedressingtable__________theclothesinthewardrobeopensweepmakeshutairdustputPractice11.Iftheroomsmells,youshould___________________.2.Ifthefloorisveryuntidy,youshould_______________.3.Iftheclothesarealloverthetable,youshould_______.4.Ifthebedisveryuntidy，youshould______________.5.Ifyouaregoingtogoshopping,youshould________thedoor.6.Ifthedressingtableisverydusty,youshould_______.smell发臭should应该dusty布满灰尘的allover到处都是goshopping外出购物openthewindowandairtheroomsweepthefloorputtheminthewardrobemakethebeddustthedressingtableshutPractice2Whatmustyoudo?MakethebedWhatmustyoudo?Sweepthefloor.Whatmustyoudo?Puttheclothesinthewardrobe.Whatmustyoudo?Dustthedressingtable.Whatmustshedo?Openthewindow.Airtheroom.Lesson30WhatmustIdo?我应该做什么？emptyv.倒空,使…变空readv.读sharpenv.削尖，使锋利puton穿上takeoff脱掉turnon开turnoff关OpenShutyour{handbagbookWhatmustIdo?PutonTakeoffyour{shirtshoesWhatmustIdo?TurnonTurnoffthe{lamp[læmp]televisionWhatmustIdo?Sweepthe{floorkitchenWhatmustIdo?Cleanthe{carwindowWhatmustIdo?Dustthe{dressingtableshelvesWhatmustIdo?Emptythe{cupbottleWhatmustIdo?Readthis{newspapermagazineWhatmustIdo?SharpenthesepencilsWhatmustIdo?语法：以动词原形开头的祈使句1.祈使句常常是表达说话人对对方的劝告、叮嘱、请求或命令等。2.在表达请求或劝告时，在祈使句前或句末可加上please，以使句子的语气更加缓和或客气。Openthewindow,please.Comein,please.祈使句的否定句式肯定祈使句如何变成否定祈使句：在动词原形前加don’t：Don’tsleep.不要睡觉。Don’teat.不准吃。不要说话。Don’ttalk.不要开窗。Don’topenthewindow.不要坐下。Don’tsitdown.注：Please可用于祈使句的句首(其后通常不用逗号)或句末(其前通常用逗号)。Pleasedon’trun.请不要跑。Don’tdrivefast,please.请开得慢一点。Lesson29-30练习题一.翻译下列句子。•整理床铺。__________________•关掉水龙头___________________•摘掉帽子。_________________•不要进来。________________•不要给房间通风。_______________•我应该做些什么呢？_____________•削铅笔.________________•打开灯.__________•打开手提箱_______________•穿上你的鞋___________________Makethebed.Turnoffthetap.Takeoffthehat.Don’tcomein.Don’tairtheroom.WhatmustIdo?SharpenthepencilTurnonthelamp.Openthesuitcase.Putonyourshoes.二将下列句子变为否定句。•1.Puttheclothesinthewardrobe.__________theclothesinthe______.•2.Dustthedressingtable.________________dressingtable.•3.Comeupstairsandseeit.________________________________•4.Givemeabook._____________________________Don’tputwardrobeDon’tdusttheDon’tcomeupstairsandseeitDon’tgivemeabook.三、选择题。•()1.Thedoorisopen.Youmust____it.•A.openB.opensC.shutD.shuts•()2.Don’tputonthiswatch.______.•A.TakeoffitB.Takeitoff•C.PutitonD.Putonit•()3.That’s____nicecarand____colourisnice,too.•A.a,itsB.a,it’sC.one,itD.an,its•()4.WhatmustAmy____?•A.doB.doesC.doingD.todo•()5.Giveyourbook____him,please.•A.inB.toC.atD.onCBAAB四、用所给词的正确形式填空•1.Youmust_____(sharp)theseknives.Theyareveryblunt.•2.Theboxisfull.Please_____(empty)it.•3._____not_____(clean)therefrigerator.•4.Thisbedroomisnotclean.Itisvery_____(tidy).•5.______(who)chairsarenearthetable?•6.Givethose_________(child)theseicecreams.•7.Areyourfriends________(tourist)?•8.Howarethose________(housewife)?•9.Are________(this)blackumbrellas？•10.Isthisshirt________(Tim)?sharpenemptyDocleanuntidy.WhosechildrentouristshousewivestheseTim’s五、句型转换。•1.Shutthedoor.(变同义句)__________thedoor.•2.Thisbedroomistidy.(变为反义句)•Thisbedroomis____.•3.Youmustairtheroom.(变为同义祈使句)•_____the______.•4.Amymustputtheseclothesinthewardrobe.(对划线部分提问)•___________Amy______theseclothes?•5.Hemustsweepthefloor.(变为一般疑问句)•_____he_____thefloor?•6.Youmustn’tcleantherefrigerator.(变为同义句祈使句)•_______________therefrigerator.•7.Wemustcleantheroom.(就划线部分提问)_________________wedo?Don’tcloseuntidyAirroomWheremustputMustsweepDon’tcleanWhatmust