Unit 4 祈使句课件-人教版七年级英语下册

祈使句Grammar教学设计：多啦A梦的“四次元空间口袋”来啦，看看它为大家带来了什么？Let’splayagame!Standup!Sitdown!Putyourhandsup!Salute!Turnleft!Turnright!Standup!Sitdown!Putyourhandsup!Salute!Turnleft!Turnright!Say“Goodmorning”toteachers.祈使句句子开头是动词原形。句子没有主语。1.定义表示请求、命令、劝说、警告、号召等意义的句子。在祈使句中，通常省略句子主语第二人称you。教学设计：定义就简单介绍，带过一下祈使句Presentation以下哪些是祈使句?1.Gotosleep.2.Lindaeatsout.5.Doyoulikeeatingfruits?3.Openthedoor.4.Don’tbelate.5.Doyoulikeeatingfruits?总是以动词（Verb）原形开头。表示命令。Openthedoor.Sitdown,please.Washyourhands.

动词原形Becareful！Bequiet.形容词Be动词原形形容词肯定句：动词原形+其他

（_________+形容词）Be动词原形1.________yourhandsbeforedinner.

A.Washes

B.Washing

C.WashD.Towash2.______careful,Jenny!Acariscoming.A.IsB.DoesC.DoD.Be3.Walkalongthestreetand____atthetrafficlights.A.TurnleftB.TurnsleftC.TurntheleftD.Turnstheleft4.Jill，________meahand.A.givesB.isgivingC.giveD.willgivePraticeVerb型以动词原形为开头Be+形容词总是以Don’t开头。表示:不要做某事。是祈使句的否定结构Don’tlookatme.Don’tfight.Don’tworryaboutme.动词原形Don’tDon’t

belate！be动词Don’tDon’t总是以Don’t开头。表示:不要做某事。是祈使句的否定结构Don’tlookatme.Don’tfight.Don’tworryaboutme.动词原形Don’t____belate！be动词Don’t否定句：______+动词原形（be动词）+其他

Don’t2022/11/251.______lateagain.A.Don'tbeB.Youaren'tC.Can'tbeD.Aren't2.Don’t____TV.It’sbadforyoureyes.A.watchB.watchesC.watchingD.towatch3.______climbthetree.Itisdangerous.A.Doesn’t B.Not C.Don’t D.Isn’tDon’t型Don‘t+动词原形Pratice总是以No开头。表示:公共警示语，是祈使句的否定结构。Nosmoking！Noparking!Nophotos!Nofood!动词ing动词ing名词名词否定句：___+______或____其他

No动词ing名词2022/11/251.-CouldIgofishing（钓鱼）here?-You’dbetternot.Lookatthesign.“—————”A.Notfishing.B.Nofishing.C.Don’tfishing.D.Dofishing.No型No+动词ing或名词2.______spitting(吐痰).A.NoB.Don'ttoC.Don'tD.Benot3.Thereisasign“____foodordrinks”inthelibrary.A.NoB.Don'ttoC.Don'tD.BenotPratice总是以Let开头，表达请求或建议。Let’s

goshopping.Letme

helpyou.Let动词原形Let肯定句：____+主语（宾格）+_____+其他.Let动词原形不许去！Don'tletusgoshopping.Letusnotgoshopping.Letusgoshopping.let否定句：Don't+let+宾语+动词原形+其他成分

Let+宾语+not+动词原形+其他成分2022/11/251.Let’s____basketballonweekends.A.playsB.playC.toplayD.playing2.Letthegirl_______joinourmusicclub.Sheistoolazy.A.notB.don'tC.doesn'tD.no3.______letthelightonwhenthereisnobodyintheroom.A.NoB.Don'tC.DoD.Not.let型let+宾语+(not)+动词原形Don’t+let+宾语+动词原形Pratice看以下标志，将其与对应的指令相匹配。Lookandmatch.______1)Becarefulwiththewetfloor.______2)Pleasedon’tknockonthedoor.______3)Washyourhandsproperly.______4)Donotenter.ABCDCbdA2022/11/25ProduceFreeTalkPleasemakerulesforyourstudents.Whatcanwedoatschoolorintheclassroom?Whatcan’twedo?schoolrulesCleantheblackboard.Makeyourbedaftergettingup.Lineupatthecanteen.Pleasewashyoourhandsbeforeeating.Don'tbelateforclass.Don'twastefood.Don'truninthehallways.Don'tfight.Don'tsleepinclass.Don'twearahatinclass.

Followtherules!祈使句特征肯定句否定句1.主