语法祈使句（课件）-人教PEP版英语四年级下册

祈使句ImperativeSentenceLet'sdo!Standup!Sitdown!Showmeyourhands.Clapyourhands.什么是祈使句？祈使句是表示请求、命令、劝告、建议等句子，通常说话的对象是第二人称you，但you常被省略。01肯定祈使句动词原形在开头，祈使句型不发愁1.

实义动词原形＋其他

(句首句尾加please；句首句尾加人名)Getup.sitdown.closethedoor.PleaseLucy,Task1Bequiet..Jim，haveacake.Pleasestandup.以下哪些句子是肯定祈使句？Tomlikesdogs.Thisismymother.Clapyourhands.Please________thedoor.opening B.open C.toopen2.Amy,______up.A.stands B.stand C.standingBB02否定祈使句a.变否定，你别急，加上don’t真容易。run.

openthedoor.Tom,eattoomuch.Please,drinkhere.

Don’t

Don’tdon’t

don’t_______openthewindow.NotB.NoC.Don’t2._______eat.NotB.NoC.Don’tCCb.否定祈使有例外，Let句式真奇怪。1.Don't+let+宾语+动原+其他

lethimcleanthewindow.2.Let+宾语+not+动原+其他Lethimcleanthewindow.

Don’t

notDon’tlet_____playfootball.she B.he C.him2.Let______notcleanthewindow.A.heB.herC.hisCB3.Don’tlet_____drinkwater.me B.he C.she4.Let______notcleanthewindow.A.heB.usC.hisABc.变否定，还有招儿，No后doing表警告Nosmoking.禁止抽烟。Nofood.Notalking.禁止说话。=Don'teat.=Don'ttalk.=Don'tsmoke.Tip:No后也可加名词。Nodrinks.=Don'tdrink.No________.smoke B.smoking C.tosmoke2.No______.A.parkB.parksC.parkingBC小新不认识这些标识，你能帮帮他吗？Task2Don't...No...Let'snot...否定祈使句PSorry,Iwon't!Don't...No...Let'snot...03祈使句回答a.肯定祈使句的回答：OK./Thanks./Yes,Iwill.-Pleaseclosethedoor.-OK,Iwill.b.否定祈使句的回答：Sorry./Sure,Iwon't.-Nosmoking.-Sorry,Iwon't.1.-Pleasepassmethebook.-___________.A.OK,Iwill. B.Sorry,Iwill.2.-Pleasedon’tdrinkhere.-___________.A.OK,Iwill. B.Sorry,Iwon’t.ABTask3帮助小新选择对应的回答。Don'ttalk.Don'ttalk.Pleasestandup.Pleasestandup.Pleasestandup.Openyourbook.Xiaoxin,getup.Don'teathere.Nosmoking.Pleasestandup.Nosmoking.Closethedoor.Closethedoor.Don'teathere....,Iwon't.Openyourbook....,Iwill.Task4Exercise帮助超人小新消灭怪兽吧！MONSTER

1.Jim,_____meahand.A.givesB.isgivingC.willgiveD.give-1000MONSTER

2.____careful,Jenny!Thereisatreeinfrontofyou.A.AmB./C.BeD.Was-1000MONSTER

3.Let's____ourtime.A.notwasteB.nowastingC.nottowasteD.nowaste-2000MONSTER

4._____letanyoneopenthedoor.A.Don'tB.WillC.NotD.No-1000MONSTER

5.—Don’tbelateagain.—Sorry,______.A.ImayB.ImustC.IwillD.Iwon’t-1000祈使句：请命劝建一、肯定句：（please/人名）+动原…二、否定句：Don’t+动原…Let句式：别让人