Unit4Don’teatinclass.SectionAGrammarFocus-3c12能掌握情態(tài)動詞can,haveto的用法能熟練運用祈使句來表達規(guī)章制度BobMaryMikeEricJohnMs.Miller1.Don’tarrivelateforclass.Youmustbeontime.2.Don’truninthehallways.4.Don’tlistentomusicinclass.5.Don’tfight.3.Don’teatintheclassroom.Youmusteatinthedininghall.Let’sreviewsomerules.Groupwork全班分成A、B兩組，分組朗讀GrammarFocusDon’truninthehallways.

Don’tfight.

Whataretherules?

Wemustbeontimeforclass.

Canweeatintheclassroom?

No,wecan’t,butwecaneatinthedininghall.

Canwewearahatinclass?

Yes,wecan./No,wecan't.

Doeshehavetowearauniformatschool?Yes,hedoes./No,hedoesn’t.Whatdoyouhavetodo?Wehavetobequietinthelibrary.Don’truninthehallways.Let’sreviewsomerules.Don’tfight.Canweeatintheclassroom？Yes…No…butwecaneatinthedininghallDoeshehavetowearauniformatschool?Yes…/No…一、祈使句的肯定式。1.“Do型”:

以動詞原形開頭。e.g.Comehere.

到這兒來。

Standup.起立2.“Be型”:

以be動詞開頭。e.g.Bequiet,please.請安靜。

Becareful.

請小心。3.“Let型”:以Let開頭。e.g.Let’sgo!咱們走吧!

二、祈使句的否定式。1.

Do型和Be型，都是在句首加don’t。e.g.Don’tsithere.

不要坐在這兒。

Don’tbelate.

別遲到。Let’stalkaccordingtothelist.A：Canweeatinthehallway?B：Yes,wecan./No,wecan’t.A：Dowehavetowearauniform?B：Yes,wedo./No,wedon’t.1.Can（1）能，能夠（表示許可）

—CanIsithere?我可以坐這兒嗎？

—No,youcan’t.不,你不能。（2）can能，會（表示能力）

—Canyouplaybasketball?你會打籃球嗎？

—Yes,Ican.是的,我會。語法聚焦2.haveto必須，不得不否定式：don’t/doesn’thaveto意為“不必”。

e.g.Youdon’thavetobeschoolbefore7:00.你不必在上午七點前到校。Whatdotheyhavetodoatschool？他們在學校必須做什么呢？Wehavetobequiet.我們要保持安靜。語法聚焦當堂檢測見DCF課件祈使句的否定句以1._____________開頭，表示警告、禁止等，后面跟動詞2.____________，其回答可以為3._________________。本單元用于談論規(guī)章制度的情態(tài)動詞有4._______、______、______等。don’t原形Sorry,….canmusthavetoDoyouknowtherulesfortheschoollibrary?Don’ttalk.Don’ttalk.Don’tlistentomusicinthelibrary.Doyouknowtherulesfortheschoollibrary?Doyouknowtherulesfortheschoollibrary?Don’teatinthelibrary.Don’ttakepictures/photosinthelibrary.Doyouknowtherulesfortheschoollibrary?

LibraryRules1.__________________2.__________________3.__________________4.__________________Don’ttalk.

Don’teat.

Don’tlistentomusic.

Don’ttakephotos.

Writetherulesfortheschoollibrary.3a1.Bequiet?(she/haveto/inthelibrary)Q:__________________________________?A:__________________________________.2.Eat?(he/haveto/inthedininghall)Q:__________________________________?A:__________________________________.3.Listentomusic?(we/can/inthehallways)Q:__________________________________?A:__________________________________.4.Wearahat?(we/can/intheclassroom)Q:__________________________________?A:__________________________________.Yes,shedoesDoesshehavetobequietinthelibrary

Yes,hedoesDoeshehavetoeatinthedininghallUsethewordstomakequestionsabouttherules.Thenwriteanswersaccordingtoyourschool.3bCanwelistentomusicinthehallwaysNo,wecan’tCanwewearahatintheclassroomNo,wecan’tWecaneatinclass…Makeupfivecoolrulesforyourdreamschool.Shareyourruleswiththeclass.YourclassmatesvotefortheCoolestSchool!3cAtmydreamschool,wedon’thavetocometoschooleveryday.We…Wedon’thavetowearschooluniforms.…Wecanlistentomusicinclass.…Wecaneatintheclassroom.…Wedon’thavetodohomework.…隨堂檢測1.“Please________yourhomeworktoschool,”Mr.Wangsays.A.take B.make C.do D.bring2.Thesign(標記)“________”meansthatyoucan’ttalkhere.A.NoTalking B.NoPhotosC.NoFood D.TurnRight3.—CanIwearahatinclass?—No,you________.A.can B.do C.don’t D.can’t

D

A

D4.Ginaalways________schoolveryearlyandcleanstheclassroom.A.arrivesat B.arrivesinC.gets

D.getsat5.—Don’ttalkinclass.—________.A.No,youcan’tB.Yes,IcanC.Yes,IdoD.I’msorry,Iwon’t

A

D句型轉(zhuǎn)換。Exercises1.Hehastoeatbreakfastquickly.(改為一般疑問句)_________________________________________________2.Playvolleyballafterclass.(改為否定句)

_________________________________________________3.Wecanwearsportsshoesinclass.(改為一般疑問)_________________________________________________4.Don’tarrivelateforclass.(改為同義句)_________________________________________________5.Erichastodohisho