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1、bedroomThisbedroomisverytidy.Lead-in:bedroomThisbedroomisveryuntidy.1.Areyoualazy(懒惰的懒惰的)kid?2.Howdoyoucleanyourbedroom?FreeTalk3.WhatmustIdoifIwanttocleanmybedroom?ShutthedooruntidyOpenthewindowDustLesson 29Come in,Amy!HowmustAmycleanthefloor?What must I do?Openthewindowandairtheroom1upnputtheseclo
2、thesinthewardrobe2kluzw:drbmakethebed3dustthedressingtable4dstsweepthefloor5swi:pbedroom 卧室卧室 Whats in your bedroom?bedrum,-ru:mThere is a chair in the_.bedroomuntidy不整齐不整齐ntadiuntidyThis bedrooms very untidy.This bedrooms very clean.untidy adj.乱，不整齐un-前缀，表示否定；tidy adj.整齐的，干净的happyunhappy 不幸福的luckyu
3、nlucky 不幸的 shut v.关门 t open the door shut the dooropen v.打开air 使使通风通风clothes 衣服服装衣服服装kluzwardrobe 衣柜衣柜w:drbdust 掸掉灰尘dst sweep 扫地swi:pWhatmustIdo?Comein,Amy.Shutthedoor,please.Thisbedroomsveryuntidy.WhatmustIdo,Mrs.Jones?Openthewindowandairtheroom.Thenputtheseclothesinthewardrobe.Thenmakethebed.Dustt
4、hedressingtable.Thensweepthefloor.A Then make the bed.B Dust the dressing table.C Open the window and air the room.E Then put these clothes in the wardrobe.D Then sweep the floor.Then make the bed.Dust the dressing table.Open the window and air the room.Then put these clothes in the wardrobe.Then sw
5、eep the floor.open the windowair the roomput the clothes in the wardorbemake the beddust the dressing tablesweep the floorComein,Amy.Shutthedoor,please.Thisbedroomsveryuntidy.WhatmustIdo,Mrs.Jones?Openthewindowandairtheroom.Thenputtheseclothesinthewardrobe.Thenmakethebed.Dustthedressingtable.Thenswe
6、epthefloor.Comein,Amy.Shutthedoor,please.Thisbedroomsveryuntidy.WhatmustIdo,Mrs.Jones?Openthewindowandairtheroom.Thenputtheseclothesinthewardrobe.Thenmakethebed.Dustthedressingtable.Thensweepthefloor.祈使句祈使句 祈使句，祈使句，请求、命令或建议。祈使句，祈使句，请求、命令或建议。主语是主语是youyou常省去，动词原形开头记。常省去，动词原形开头记。否定形式要注意，句首否定形式要注意，句首Don
7、Dont t牢牢记。牢牢记。要讲客气要讲客气pleaseplease，句首句末没关系。，句首句末没关系。1.用于表达命令、请求、用于表达命令、请求、劝告、警告、禁止等的句劝告、警告、禁止等的句子叫做祈使句。子叫做祈使句。2.祈使句最常用于表达命祈使句最常用于表达命令。令。祈使句：祈使句：如：如：Openthebook；Goout；Comein1.Open the door.2.Close the window.3.Turn on the radio.变成否定句Dont open the window.Dont close the window.Dont turn on the radio.Pl
8、ease put on your coat.(否定句）Please dont put on your coat.must的用法：的用法：1、must是情是情态动词态动词。2、表示必、表示必须须，不得不做的事情。，不得不做的事情。同同时时也可以表示不可推卸的也可以表示不可推卸的责责 任。任。3、must后面要加后面要加动词动词原型。原型。must do（sth）You must（你必须）表示说话人说/认为是必要的。肯：You must open the window.否：You mustnt open the window?疑：Must I open the window?Yes,you mus
9、t.No,you neednt祈使句祈使句：无主语，主语you 常省去，动词原形当谓语，句首加dont变否定。特点1：“动词”原型开头 特点2：否定句在句首加dont特点3：针对第二人称YOU1.It is dark outside.Please the lights.A open B.close C.turn on D.turn off2.It is cold outside.please.A.Open the window B.Come in C.Turn on the light D.Take off your coat3.There are many things on the bed
10、.Please make bed.A.a B.the C.an D./4.There _some books on the desk.(be)5.There arent _pictures on the wall.(some)CBBareanyLesson30WhatmustIdo?我应该做什么？我应该做什么？Must MustntgetupearlygotoschoolearlydohomeworkgotobedearlylistentoteachercarefullyspitonthefloorfightwithotherssleepinclassOpenShutyourhandbagbookPutonTakeoffyourclothesshoesTurnonTurnoffthelightrefrigeratorSweepthefloorkitchenCleanthecarwindowDustthedressingtabletableEmptythecupbottleReadthisnewspapermagazineSharpenthesepencils