英语祈使句八上unit8语法市公开课金奖市赛课一等奖课件

英语祈使句讲解八年级上册unit8语法第1页定义：用于表示命令、请求、劝说、警告、禁止等句子叫做祈使句。祈使句通常省略第二人称主语；祈使句动词都为原形。→Goandwashyourhands.→

Bequiet,please.（Pleasebequiet.）→

Bekindtooursister.→

Watchyoursteps.→

Lookout！Danger！→

Keepoffthegrass.→

Noparking.第2页祈使句类型：必定祈使句否定祈使句以let开头祈使句No+动名词/名词其它类型祈使句第3页必定祈使句一、直接以动词原形开头,please可在句首,也可在句末。Do型。直接以动词原形开头Be型。Be+表语Becareful.Bequiet.Pleaselookattheblackboard.Listentomecarefully.Gohomeatonce.

二、必定祈使句回答：必定回答：Yes,Iwill.否定回答：Sorry,Ican’t.I’mbusydoingmyhomework.第4页否定祈使句否定祈使句=Don’t+必定祈使句（Don’t+V原）→Don’ttalkinclass.→Don’teatinclass.→Don’truninthehallway.→Don’tdrawonthewall.→Don’tthroweverywhere.二、否定祈使句回答：→Ofcourse,Iwon’t.→Sorry,Iwon’tdothatnexttime.第5页以let开头祈使句一、LetsbdosthLetsbnotdosthLetusmakefruitsalad.Letyourfathercallmeback.Lethimnotplaybasketballhere.Letthemnotplaythedrumsnow.二、以let开头祈使句回答：→That’sagoodidea./Thatsoundsgood.→Oh,No.It’stoohot.→

Oh,No.Let’swatchTVathome.第6页No+动名词/名词Nosmoking!Nosmokinginthemeetingroom!Noparking!Nophotos!第7页其它类型祈使句Whydon’tyoudosth?=Whynotdosth?相当于Pleasedosth.Whydon’tyoustandup?=Whynotstandup?Whydon’tyougoouttoplay?=Whynotgoouttoplay?第8页1.thepopcornmachine.A.TurnonB.TurningonC.ToturnonD.Turnson2.

thesandwichbeforeyouwashyourhands.A.EatingB.NoteatingC.Don’teatD.Noteat3.---

lateforthemeetingnexttime.---Sorry,Iwon’t.A.Don’tB.Don’tbeC.won’tbeD.Benot4.Let’s

toschoolbybike.A.notgoB.nottogoC.don’tgoD.notgo5.abananamilkshakeiseasy.A.MakeB.MakesC.MakingD.Made6.---Don’tboilthevegetabletoolong.---

.A.Yes,Iwon’tB.Yes,IwillC.No,IwillD.No,Iwon’t第9页7.

addingsomerelishtothesoup?A.WhynotB.Whydon’tC.WhataboutD.Whatfor8.---Don’tdrivetoofast!It’sdangerous.---.Iwillslowdown减速.A.GreatB.CertainlyC.CoolD.Sorry9.---Jace,let’splaytennis.---

.A.ThatsoundsgoodB.Yes,IdoC.Don’tworryD.You’rewelcome10.---Pleasecutupthe