Unit4Don’teatinclass.SectionA(3a-3c)Don’teatintheclassroom.Can

weeatinclass?No,we

can’t.Don’tlistentomusicintheclassroom.Canwelistentomusicintheclassroom?No,wecan’t.Wecanlistentomusicathome.學(xué)習(xí)目標(biāo)1.掌握祈使句的用法。（Dosth./Don'tdosth.）2.能正確使用haveto和must談?wù)撘?guī)章制度。（重點(diǎn)）gf朗讀、對(duì)話練習(xí)P21GF(7min),完成下列自學(xué)檢測(cè)題。補(bǔ)全下面句子。1.-不要在走廊里奔跑。_____runinthehallways.-不要打架。Don’t_____.2.–規(guī)則是什么？-____arethe____?-我們必須按時(shí)上課。We___________________forclass.3.–我們可以在教室里吃東西嗎？-____we____intheclassroom?-不，我們不可以，但可以在餐廳吃。-_____，_________，butwe______eatinthedininghall.4.–我們可以在課堂上戴帽子嗎？-____we_____________inclass?-是的，我們可以。/不，我們不可以。-__,________./____，_________.5.–他不得不在學(xué)校穿制服嗎？-Doeshe______wearauniformatschool?-是的，他不得不。/不，他不用。-__,________./____，_________.6.–你們不得不做什么？-Whatdoyou________do?-我們不得不在圖書館里保持安靜。-We______________inthelibrary.Don'tfightWhatrulesmustbeontimeCaneatNowecan'tcanCanwearahatYeswecanNowecan'thavetoYeshedoesNohedoesn'thavetohavetobequietCanwearrivelateforclass?

Don’tarrivelateforclass.

Don’tbelateforclass.No,wecan’t.Don’teatintheclass.Canweeatintheclass?No,wecan’t.Youcaneatinthedinningroom.Yes,wedo.Doyouhavetodohomeworkafterclass?Wehavetodohomeworkafterclass.Doyouhavetodosomereadingeveryday?Yes,wedo.Wehavetodosomereadingeveryday.Writetherulesfortheschoollibrary.LibraryRules.Don’ttalk.

Don’teat.

Don’tlistentomusic.

Don’ttakephotos.

方法指導(dǎo)：1.由圖示可知都是一些禁止類的祈使句。2.可知應(yīng)用“Don’t+動(dòng)詞原形”句子。3aDon’twalk.Doyouknowthesesignsinacity?Whatdotheymean?Walk.Run.Don’t

run.Don’t

turn

left.No

smoking.

Becareful!Noparking!祈使句用法：一般以動(dòng)詞原形開頭，表示請(qǐng)求、命令、勸說(shuō)、警告等。在祈使句中，通常省略句子主語(yǔ)第二人稱you。句子結(jié)構(gòu):

(1)肯定句：__________+其他動(dòng)詞原形(2)否定句:

_____+_________+其他Don’t動(dòng)詞原形(3)以let引起的句子____+sb.+動(dòng)詞原形(4)No+名詞Nophotos.禁止照相！

No+動(dòng)詞-ing形式Nosmoking.禁止吸煙！LetBequiet?(she/haveto/inthelibrary)Q:Doesshehavetobequietinthelibrary?A:Yes,shedoes.

3b

Usethewordstomakequestionsabouttherules.Thenwriteanswersaccordingtoyourschool.2.Eat?(he/haveto/inthedininghall)Q:___________________________________?A:_______________3.Listentomusic?(we/can/inthehallways)Q:___________________________________?A:________________4.Wearahat?(we/can/intheclassroom)Q:___________________________________?A:________________Yes,hedoes.Does

he

haveto

eatinthedininghallCanwe

listento

music

inthehallwaysNo,wecan’t.Can

we

wearahat

intheclassroomNo,wecan’t.Makeupfivecoolrulesforyourdreamschool.Shareyourruleswiththeclass.Yourclassmatesvoteforthecoolestschool!(3minutesforpreparation)為你夢(mèng)想中的學(xué)校制定5個(gè)很酷的規(guī)則。與全班同學(xué)分享。你的同班同學(xué)投票決定最酷的學(xué)校！Atmydreamschool,wedon'thavetocometoschooleveryday.we...1.wecaneatinclass.2.wedon'thavetocometoschooleveryday.3.....pair-worksummary規(guī)章制度的表達(dá)：1.祈使句：Dosth.

Don‘tdosth.Let+sb.+動(dòng)詞原形.

No+名詞/動(dòng)詞-ing2.haveto后面要跟動(dòng)詞原形

，有人稱、數(shù)和時(shí)態(tài)的變化，表示受客觀條件限制“不得不去做某事”。3.must的意思是必須后跟動(dòng)詞原形,沒有人稱，數(shù)和時(shí)態(tài)的變化，表示受主觀條件的影響自覺去做某事。選擇題（每題2分，共5題）()1.Students____wearschooluniformsonweekdays.Thisistheruleofourschool.A.canBmayCmustDwill()2.—Canwelistentomusichere?—____.Listeningtomusicisnotallowedinthelibrary.AYes,wecan.BYes,wecan’t.CNo,youcan’t.DNo,youcan.()3.Mary,_____inbed.AnotreadBdon’treadCnotreadingDdoesn’tread()4._____eatfoodintheclassroom.ANotBCan’tCDon’tDAren’t()5.Bobcan’tcomeouttoplaybecausehe____helpDa