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就近原则：以离be动词最近的名词为准1.There____(be)abookandtwopencilsonthedesk.2.There____(be)somebooksandapencilonthedesk.3.There____(be)someboysintheclassroom.4.There____(be)agirlandsomeboysintheclassroom.5.There____(be)anappleandthreebananasinthebag.isisisareareDoyouhaveabedroom？Doyouoftencleanit?Ifyoudon’tcleaniteveryday,itwillbeverydirty,veryuntidy.Soyoumustcleanyourownroomeveryday.Whatmustwedo?First,opentheroomandairtheroom.Thenputyourclothesinthewardrobe.Thenmakethebed.Dustthedressingtable.Thensweepthefloor.Yourroomwillbecleanandtidy.bedroomThisbedroomisverytidy.Lead-in:bedroomThisbedroomisveryuntidy.Lesson29Comein,Amy!Newwordsandexpressions:shut[ʃʌt]V.关门bedroom['bedrʊm]n.卧室untidy[ʌn'taɪdɪ]adj.乱，不整齐must[mʌst]（情态动词）必须open['əʊp(ə)n]v.打开air[eə]v.使……通风put[pʊt]v.放置clothes[kləʊ(ð)z]n.衣服wardrobe['wɔːdrəʊb]n.衣柜dust[dʌst]v.掸掉灰尘sweep[swiːp]v.扫then[ðen]adv.然后Q1:Isthisroomcleanoruntidy?Q2:Whichwordhasthesamemeaningof“close”Comein,Amy.MRS.JONES:Comein,Amy.祈使句，省略主语you,动词原形开头，用于表示命令、请求、劝告、警告、禁止等Shutthedoor,please.MRS.JONES:shutthedoor,please.祈使句，省略主语you,动词原形开头，用于表示命令、请求、劝告、警告、禁止等thedoor,名词，做shut的宾语。Thisbedroom’sveryuntidy.tidyadj.整齐的，整洁的Thisbedroom'sveryuntidy.指示代词作定语，修饰bedroom.bedroomis形容词做表语un-前缀，表示否定，“不”happy-unhappy不幸福的lucky-unlucky不幸的WhatmustIdo,Mrs.Jones?WhatmustIdo，Mrs.Jones?must情态动词“必须”，后接动词原形感受两个句子的语气：你吃饭。你必须吃饭。哪个句子让人感觉有命令的语气？哪个词增加了动词吃的情态语气？must像这样增加动词情态语气的词就叫情态助动词Openthewindowandairtheroom.Openthewindowandairtheroom1祈使句，省略主语you,动词原形开头，用于表示命令、请求、劝告、警告、禁止等名词，做宾语然后Thenputtheseclothesinthewardrobe.Thenputtheclothesinthewardrobe2祈使句，省略主语you,动词原形开头，用于表示命令、请求、劝告、警告、禁止等theclothes,put的宾语。动作的对象。putsth.+介词短语，把......放在......Thenmakethebed.Thenmakethebed3祈使句，省略主语you,动词原形开头，用于表示命令、请求、劝告、警告、禁止等铺床宾语Dustthedressingtable.Dustthedressingtable4祈使句，省略主语you,动词原形开头，用于表示命令、请求、劝告、警告、禁止等名词，做dust的宾语。Thensweepthefloor.5祈使句，省略主语you,动词原形开头，用于表示命令、请求、劝告、警告、禁止等thefloor名词，做sweep的宾语。Thensweepthefloor.Howcanwegetacleanbedroom?AThenmakethebed.BDustthedressingtable.COpenthewindowandairtheroom.EThenputtheseclothesinthewardrobe.DThensweepthefloor.Thenmakethebed.Dustthedressingtable.Openthewindowandairtheroom.Thenputtheseclothesinthewardrobe.Thensweepthefloor.openthewindowairtheroomputtheclothesinthewardorbemakethebeddustthedressingtablesweepthefloor1.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.Comein,please.Shutthedoor,please.Openthewindow.Airtheroom.Puttheclothesinthewardrobe.Makethebed.Dustthedressingtable.Sweepthefloor.一、祈使句的定义用于表示命令、请求、劝告、警告、禁止等的句子叫做祈使句。二、祈使句的构成祈使句是由动词原形开头，可以在句首或句末加please,在句尾加please时，please前要加“，”祈使句的句末用感叹号或句号，朗读时用降调。Don’tshutthedoor,please.Don’topenthewindow.Don’tairtheroom.Don’tputtheclothesinthewardrobe.Don’tmakethebed.Don’tdustthedressingtable.Don’tsweepthefloor.祈使句的构成：祈使句的肯定形式是由动词原形开头，否定形式是在动词原形之前加don’t。祈使句，祈使句，请求、命令或建议。主语是you常省去，动词原形开头记。否定形式要注意，句首Don’t牢牢记。要讲客气please，句首句末没关系。Mrs.Jones:Comein,Amy.Shutthedoor,please.ThisbedroomisveryuntidyAmy:WhatmustIdo,Mrs.Jones?Mrs.Jones:Openthewindowandairtheroom.Thenputtheclothesinthewardrobe.Thenmakethebed.Dustthedressingtable.Thensweepthefloor.名词做宾语Mrs.Jones:Comein,Amy.Shutthedoor,please.ThisbedroomisveryuntidyAmy:WhatmustIdo,Mrs.Jones?Mrs.Jones:Openthewindowandairtheroom.Thenputtheclothesinthewardrobe.Thenmakethebed.Dustthedressingtable.Thensweepthefloor.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）1.comein2.shutthedoor=closethedoor3.WhatmustIdo?4.airtheroom5.put…in…6.makethebed7.dustthedressingtable1.进来2.关门3.我应该做什么？4.给房间通通风5.把…放进…里6.整理床铺7.掸掉梳妆台上的灰尘1.comein2.shutthedoor=closethedoor3.WhatmustIdo?4.airtheroom5.put…..in6.makethebed7.dustthedressingtable1.进来2.关门3.我应该做什么？4.给房间通通风5.把……放进……里6.整理床铺7.掸掉梳妆台上的灰尘用所给词的适当形式填空1._________(come)in,Amy.2.__________(shut)thedoor,please.3.Youmust______(open)thewindow.4.WhatmustI______(do)?Comeshutopendo说明下列划线单词的词性，汉译和成份Theseknivesaresharp.Youmustsharpenthesepencils.Thisglassisempty.Youmustemptytheglass.1.Openthedoor.2.Closethewindow.3.Turnontheradio.变成否定句Don’topenthewindow.Don’tclosethewindow.Don’tturnontheradio.