Unit4SectionA1a2d課件人教版英語七年級下冊

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觀察并探究（一）A:Canwerun

inthehallways?B:No,wecan’t.

We

can’trun

inthehallways.Butwe

canrun

intheplayground.情態(tài)動詞Can本單元情態(tài)動詞can,can't用來談?wù)揰______，can表示____，can't表示_____;通過觀察，可以看出情態(tài)動詞can/can't后接________；規(guī)章制度許可禁止動詞原形

She____weartheschooluniformatschool.

She_______weartheschooluniformatschool.

She______________weartheschooluniformoutside.

Doesshe

_______weartheschooluniformeveryday?

No,she_______.

weartheschooluniformmusthastodoesn'thavetohavetodoesn'tdoesn'thavetoShe_____________weartheschooluniformeveryday.

She________________weartheschooluniformoutside.

doesn'tneedtoneedn't

mustn't

不準(zhǔn)，禁止

觀察并探究（三）情態(tài)動詞must/haveto1.通過觀察，我們可以發(fā)現(xiàn)_____沒有人稱和數(shù)的變化，而_________則有人稱及數(shù)的變化musthaveto觀察一2.通過觀察，我們可以發(fā)現(xiàn)must的否定式為_______,而haveto的否定式為_____________或者_(dá)____________,其中________表示不準(zhǔn)；禁止；而_____________________表示“不必”相當(dāng)于____________________觀察二mustn'tdon'thavetodoesn'thavetomustn'tdon't/doesn'thavetodon'tneedto/needn'tImust

gonow,orIwillbelate.我必須現(xiàn)在就走，否則我就遲到了。

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

3.通過觀察，我們可以發(fā)現(xiàn)二者均表示必須，_____,更強(qiáng)調(diào)說話者的主觀意愿，而_______強(qiáng)調(diào)客觀上的必要性，意為________。musthaveto不得不觀察三觀察并探究（三）

Imperativesentence：(祈使句)1.祈使句一般用于___________，長輩對晚輩之間，表示_______、勸說或警告，也可表示請求；3.祈使句的否定句在________前加_______，表示“不要做某事”，本單元否定祈使句用于陳述_________。

Listentomecarefully!仔細(xì)聽！2.祈使句的肯定句通常以__________開頭；Don'teat

inclass!上級對下級命令動詞原形Don't動詞原形規(guī)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.

這個(gè)女孩經(jīng)常穿著紅色的上衣戴著白色的帽子。Languagepointswear強(qiáng)調(diào)“穿著”這一狀態(tài)，也可表示“戴著”。如：

Shelikeswearingcolorfulclothes.

她喜歡穿著顏色鮮艷的衣服。dress既可表示動作，又可表示狀態(tài)，常由人作賓語，意為“給……穿衣服”。如：Couldyoudressthechildforme?你能不能替我給小孩穿上衣服?wear,dress與puton的區(qū)別當(dāng)表示自己穿衣服時(shí)，一般用“getdressed(=dressoneself)”.如：

Hecannotgetdressed(=himself).他不會自己穿衣服。當(dāng)dress表示狀態(tài)時(shí)，一般要用“bedressedin”的形式。如：

Sheisdressedinaredcoat.她穿著一件紅色的上衣。puton著重于“穿”這一動作，即由沒穿到穿這一過程的完成，意為“穿上”。如：

Pleaseputonyournewcoat.

請穿上你的新大衣。用wear,puton,dress的適當(dāng)形式填空。

Sheis_________aredflowerinherhair.2.He________hiscoatandgoesout.3.Heis_________black.wearingputsondressedinbring與take的區(qū)別

Bringyourhomeworkhere,andtakethebookaway.

把你的作業(yè)拿過來，把這本書帶走。

bring指往里帶，而take則指往外帶。

---WhydoChinesepeoplelikered?---Becausetheythinkitcan____themgoodluck.A.carryB.bringC.makeD.takeB3.祈使句補(bǔ)充情態(tài)動詞can1.表示能力：“會，可以，能，能夠”2.不能單獨(dú)作謂語，后必須接動詞原形一起構(gòu)成謂語3.沒有人稱的數(shù)的變化4.否定形式加not:cannot,cannot,或縮寫can't疑問句can提前。

例：Ican'tplaythegutar.

Canweeatintheclassroom?單選（每題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選做題。（）--________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.