Unit4SectionA1a2d课件人教版英语七年级下册

Unit4Don’teatinclass.SectionA1a-2druninthehallwaysA:Canwerun

inthehallways?B:No,wecan’t.

We

can’trun

inthehallways.

runintheplaygroundB:Butwe

canrun

intheplayground.

We

must/haveto

run

intheplayground.Don’t

run

inthehallways.be/arrivelateforclassA:____wearrive/belateforclass?B:No,we_____.

We

____

arrive/belateforclass.

beontimeforclass

We

beontimeforclass.

arrive/belateforclass..must/havetoDon’t

Cancan’tcan’teatintheclassroom

B:No,we____.

We

___eatintheclassroom.

eatinthedinninghallB:Butwe

____

eat

inthedinninghall.

We

eat

inthedinninghall.

eat

intheclassroom.A:Canwe____intheclassroomDon’tmust/havetoeatcan’tcan’tcan观察并探究（一）A:Canwerun

inthehallways?B:No,wecan’t.

We

can’trun

inthehallways.Butwe

canrun

intheplayground.情态动词Can本单元情态动词can,can't用来谈论_______，can表示____，can't表示_____;通过观察，可以看出情态动词can/can't后接________；规章制度许可禁止动词原形

She____weartheschooluniformatschool.

She_______weartheschooluniformatschool.

She______________weartheschooluniformoutside.

Doesshe

_______weartheschooluniformeveryday?

No,she_______.

weartheschooluniformmusthastodoesn'thavetohavetodoesn'tdoesn'thavetoShe_____________weartheschooluniformeveryday.

She________________weartheschooluniformoutside.

doesn'tneedtoneedn't

mustn't

不准，禁止

观察并探究（三）情态动词must/haveto1.通过观察，我们可以发现_____没有人称和数的变化，而_________则有人称及数的变化musthaveto观察一2.通过观察，我们可以发现must的否定式为_______,而haveto的否定式为_____________或者_____________,其中________表示不准；禁止；而_____________________表示“不必”相当于____________________观察二mustn'tdon'thavetodoesn'thavetomustn'tdon't/doesn'thavetodon'tneedto/needn'tImust

gonow,orIwillbelate.我必须现在就走，否则我就迟到了。

It'stoolate.Ihavetotakeataxi.太晚了，我不得不乘出租车。

3.通过观察，我们可以发现二者均表示必须，_____,更强调说话者的主观意愿，而_______强调客观上的必要性，意为________。musthaveto不得不观察三观察并探究（三）

Imperativesentence：(祈使句)1.祈使句一般用于___________，长辈对晚辈之间，表示_______、劝说或警告，也可表示请求；3.祈使句的否定句在________前加_______，表示“不要做某事”，本单元否定祈使句用于陈述_________。

Listentomecarefully!仔细听！2.祈使句的肯定句通常以__________开头；Don'teat

inclass!上级对下级命令动词原形Don't动词原形规章要求WritetherulesfortheschoollibraryDon’tlistentomusic!Don’teat!Don’ttalk!Don’ttakephotos!Talkaboutotherrules.

Canwe…?

No,wecan’t.Wecan't...Sodon't...Butwe

can...We

must

Canwe…?

Yes,wecan.We

can....listentomusicintheclassroominthehallwaysinthemusicroomoutsideWe

listentomusicintheclassroomhallways.Welistentomusicinthemusicroomoutside.can'tor

canor

Don'thavetowearahatinclassfightwithclassmatessleep

inclasstalk

inclasslistentotheteacherinclass

134521.Don’t

arrive

lateforclass.2.Don’t

runinthehallways.3.Don’teatintheclassroom.4.Don’tlistentomusicintheclassroomsorthehallways.5.Don’tfight.1aWritethenumberoftherulenexttothestudent.Peter______Amy______Mike______1b

Listen.Whatrulesarethese

studentsbreaking?Writethe

numbersafterthenames.234MsClark:Hey,Peter.Youknowthe_____._______________________.Peter:Sorry,MsClark.Mr.Smith:Amy,__________________________________________________.Amy:Oh,sorry,Mr.Smith.Mr.Smith:Hey,Mike._________________________,Mike!

Boy1:He_____hearyou,MrSmith.rulesDon’truninthehallwaysdon’teatintheclassroom.

Don’tlistentomusicinclasscan’tListenagainandfillintheblanks.Youmusteatinthedininghall

1.Don’tarrivelateforclass.2.Don’truninthehallways.3.Don’teat

intheclassroom.4.Don’tlistentomusicinthe

classroomsorthehallways.5.Don’tfight.SchoolRulesA:Hello.Whataretherules?B:Well,Wecan’t___.Pairwork:1cA:Canwe______?B:No,wecan’t.1cPairworkA:Hello.Whataretherules?B:Well,wecan’tarrivelateforclass.=be

lateforclass.Whataretherules?Wecan’truninthehallways.Whataretherules?Wecan’teatintheclassroom.Whataretherules?Wecan’tlistentomusicintheclassroom.Whataretherules?Wecan’tfight.

1.Don’tarrivelateforclass.Youmustbeontime2.Don’truninthehallways.

Youcanruninthepark3.Don’teat

intheclassroom.Youcaneatindininghall4.Don’tlistentomusicintheclassroomsorthehallways.Youcanlistentomusicinathome.5.Don’tfight.SchoolRulesPredict2a.LookatthepictureWhoarethey?Whataretheytalkingabout?Listen.Check(√)theactivitiesAlanandCindytalkabout.√√√√√√2a.Listenagain.CanAlanandCindydotheseactivities?Circle“can”or“can’t”above.√√√√√√2b.StudentAisAlanandstudentBisCindy.Talkabouttherulesin2a.Canwelistentomusic,Cindy?Wecan’tlistentomusicinthehallways,butwecanlistentoitoutside.......SchoolRulesMusicEatHatFightkeywords2c.2d.Jhon

Readtheconversationandfillinthechart.DONsDOsbelateforclassbringmusicplayerstoschoolbeontimeweartheschooluniformbequietinthelibrary2d.Listenandthenreadaloud2d.1.wearahat戴帽子

wearv.

穿；戴

Thegirloftenwearsaredcoatandawhitehat.

这个女孩经常穿着红色的上衣戴着白色的帽子。Languagepointswear强调“穿着”这一状态，也可表示“戴着”。如：

Shelikeswearingcolorfulclothes.

她喜欢穿着颜色鲜艳的衣服。dress既可表示动作，又可表示状态，常由人作宾语，意为“给……穿衣服”。如：Couldyoudressthechildforme?你能不能替我给小孩穿上衣服?wear,dress与puton的区别当表示自己穿衣服时，一般用“getdressed(=dressoneself)”.如：

Hecannotgetdressed(=himself).他不会自己穿衣服。当dress表示状态时，一般要用“bedressedin”的形式。如：

Sheisdressedinaredcoat.她穿着一件红色的上衣。puton着重于“穿”这一动作，即由没穿到穿这一过程的完成，意为“穿上”。如：

Pleaseputonyournewcoat.

请穿上你的新大衣。用wear,puton,dress的适当形式填空。

Sheis_________aredflowerinherhair.2.He________hiscoatandgoesout.3.Heis_________black.wearingputsondressedinbring与take的区别

Bringyourhomeworkhere,andtakethebookaway.

把你的作业拿过来，把这本书带走。

bring指往里带，而take则指往外带。

---WhydoChinesepeoplelikered?---Becausetheythinkitcan____themgoodluck.A.carryB.bringC.makeD.takeB3.祈使句补充情态动词can1.表示能力：“会，可以，能，能够”2.不能单独作谓语，后必须接动词原形一起构成谓语3.没有人称的数的变化4.否定形式加not:cannot,cannot,或缩写can't疑问句can提前。

例：Ican'tplaythegutar.

Canweeatintheclassroom?单选（每题2分，共10分）()1.ThedoctorsaystoTom“_________getuptoolate.”

A.Dosen’tB.Can’tC.Don’tD.No()2.Don’tarrivelate_____class.A.atB.forC.inD.\()3.Don’t_________musicinclass.

A.listenB.listentoC.listenatD.hear()4.It’simportanttobe_______forthemeeting.

A.ontimeB.intimeC.allthetimeD.attimes()5.Whenwillshe_________Shanghai?A.arrivesB.arriveinC.getD.gets选做题。（）--________up,Anna.It'sseventhirty.--Onemoreminute,Mum.A.GetB.GetsC.GettingD.GotCBBABA1.Sitdown.2.Comein.3.Eatathome.Don’tsitdown.Don’teatathome.1.把下列祈使句改成否定句Practice:4.Listentomusicoutside.

5.