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Thereis+a/an+单数可数名词some+不可数名词+介词短语Therebe(复数)①②Thereare+some/数字+可数名词复数+介词短语Therebe(单数)Review•三.某处有某人(某物)”•“Thereis/are+某物或某人+某地.”•Thereisarefrigeratorinthekitchen.•否定句•“Thereis/are+not+某物或某人+某地.”•Thereisnotarefrigeratorinthekitchen。•一般疑问句及其答语•“Is/Arethere+某物或某人+某地?•Yes,thereis/are.No,thereisn't/arenot.”•Istherearefrigeratorinthekitchen？•Yes,thereis.(No,thereisn't.)1.Thereisarefrigeratorinthekitchen.2.Therearesomeplatesonthecooker.将下列句子变成否定句及一般疑问句，并做出肯定及否定回答。1.Areyoualazy(懒惰的)kid?2.Howdoyoucleanyourbedroom?3.WhatmustIdoifIwanttocleanmybedroom?shutbedroomuntidymust/ʃʌt//'bedrum//ʌn'taidi//mʌst/adj.n.m.v.关门=close卧室不整齐必须v.wardrobe/'wɔ:drəub/n.大衣柜openairput/'əupən//eə//put/v.v.v.打开使…通风放置clothes/kləuðz/n.衣服dust/dʌst/v.掸掉灰尘dustbindustmansweep/swi:p/v.打扫1.untidyadj.乱，不整齐构词法：un+tidy=untidyun为否定前缀e.g.happy----unhappy2.must必须，应该(情态动词)must+动词原形(must没有人称和数的变化)e.g.Youmustshutthedoor.（表示义务/命令/必要）3.airv.使～通风，换换空气e.g.Pleaseopenthewindowandairtheroom.n.空气/天空(不可数)e.g.Birdsflyintheair.4.putv.放置put…in….(把…放进…)e.g.Puttheappleinmybag.关门卧室不整齐必须，应该打开使…通风，换换空气放置衣服大衣柜掸掉灰尘打扫shutbedroomuntidymustopenairputclotheswardrobesweepdustHowmustAmycleanthefloor?Mrs.Jones:Comein,Amy.Mrs.Jones:Shutthedoor,please.Mrs.Jones:Thisbedroom’sveryuntidy.Amy:WhatmustIdo,Mrs.Jones?含有情态动词的特殊疑问句如：Whatmusthedo？Whatmusttheydo？其结构是：特殊疑问词+must+主语+谓语？如：Wheremusttheygo？Whenmusttheygo？must的用法：1、must是情态动词。2、表示必须，不得不做的事情。同时也可以表示不可推卸的责任。3、must后面要加动词原型。mustdo（sth）Mrs.Jones:Openthewindowandairtheroom.Thenputtheseclothesinthewardrobe.Thenmakethebed.Dustthedressingtable.Thensweepthefloor.“然后”，常用于句首Thisbedroom'sveryuntidy.WhatmustIdo?Openthewindowandairtheroom.1Puttheclothesinthewardrobe.2makethebed3dustthedressingtable45Thisbedroom'sveryuntidy.Thisbedroom'sveryclean.Howcanwegetacleanbedroom?WhatmustIdo?openthewindowairtheroomputtheclothesinthewardorbemakethebeddustthedressingtablesweepthefloor表示请求、命令、叮嘱、邀请、劝告等。Definition(定义)：Lookattheblackboard.Listentome,please.看黑板.请听我说.Takeyourumbrella.带上你的伞.Cometomyhome.来我家.特点：动词原形开头,常省略主语youshutopenairputdustsweepmakethedoorthewindowtheroomtheclothesinthewardrobethebedthedressingtablethefloor铺床掸掉梳妆台上的灰尘扫地关门开窗户给房间通风把衣服放进衣柜里Lesson30WhatmustIdo?我应该做什么？emptyv.倒空，使…变空adj.空的read读Sharpen削尖，使锋利sharpadj.锋利的puton穿上takeoff脱掉,起飞turnon开（电灯）turnoff关（电灯）turnup调大音量turndown调小音量NewwordsOpenShutyour{handbagbookPutonTakeoffyour{clothesshoesTurnonTurnoffthe{lightrefrigeratorSweepthe{floorkitchenCleanthe{carwindowDustthe{dressingtabletableEmptythe{cupbottleReadthis{newspapermagazineSharpenthesepencilsSon:Ok!Mum,Ithinkit’sahardjob.(shut，open,air，put，clean,sweep，wash,make)Mother:Tom,todayyoumustcleanyourbedroombyyourself.Yourbedroomisveryuntidy.Son:Ok!Mum.WhatmustIdo?Mother:______thedoor.______thewindowand_____theroom.Then______alltheclothesinthewardrobe.______yourbed.______yourdesk._____thefloor.Then______yourclothesandsocks.选词填空ShutOpenairputMakeCleanSweepwashHomework1.29-30课单词3+1+12.背诵并默写29课课文3.做29-30课课练4.家长签字