英語人教PEP版九年級（上冊）Unit+8+section+A+Grammar+Focus+

Unit8ItmustbelongtoCarla(GrammarFocus)九年級全一冊-Unit8情態(tài)動詞must,may/might,could,can’t,can/could表推測的用法教學(xué)目標(biāo)導(dǎo)入—WhereisTom?—He

inhisroom.Thelightinhisroomison.

A.mustn'tbe B.canbeC.can't

be D.mustbe在肯定句中一般用must表示一定、確定知識點(diǎn)歸納知識講解

Youarenotallowedtoplaywithfireintheforest.It

killplants，animalsandevenpeople.

A.might

B.mightnot C.should

D.shouldnot在肯定句中一般用may/might表示可能知識點(diǎn)歸納知識講解It_______(也許)getquitecouldhereatnight.CantheredsweaterbeTom's?—No,itcan't.Hecan'tstandred.在肯定句中一般用could表示也許、或許在疑問句中一般用can/could表示可能在否定句中一般用can’t表示不可能知識點(diǎn)歸納could知識講解一定，肯定，準(zhǔn)是知識講解難點(diǎn)突破ItmustbeCarla's.Shelovesvolleyball.Whosevolleyballisthis?“Must”toshowthatyouthinksomethingisprobablytrue.知識講解難點(diǎn)突破ItcouldbeMei'shairband.OritmightbelongtoLinda.Theybothhavelonghair.Whosehairbandisthis?“Could”or“might”toshowthatyouthinksomethingispossiblytrue.可能可能注意！might表推測不用于疑問句，而could可用于肯定句、否定句和疑問句。知識講解難點(diǎn)突破I'mnotsure,butitcan'tbeadog.Itwasbigger.Ithinkitmightbeabearorawolf.Whatdidyouseethatnight?“Can't”toshowthatyouarealmostsuresomethingisnottrue.不可能—Whosetextbookisit?IsitJenny‘s?

—No,it

beJenny‘s.Look，Helen‘snameisonthecover.Ithinkit

beHelen‘s.

A.can't;must B.mustn't;mustC.can't;may D.mustn't;may

You

walkonthewethillpathbecauseyou

fallandhurtyourself.

A.must;mightnot B.mustn't;mightC.needn't;need D.must;must牛刀小試I

belate，sodon’twaitformetostartthemeeting.

A.mustn't

B.needn'tC.need

D.may—Wouldyoupleasetellmewhentostart?

—I’mnotsure.We

startateight.

A.must B.could C.might D.need—Mr.Wangisathisoffice.Thelightinhisofficeison.

—That

behim.HehasgonetoAustralia.

A.must B.might

C.could D.can’t牛刀小試課堂練習(xí)難點(diǎn)鞏固Fillintheblankswithmust,could,might,can't

.1.She

livenearherebecauseshealwayswalkstowork.2.He

beplayingsocceroutside.Isawhimreadinginthelibraryjustnow.3.Peter

comewithustonight,butheisn'tsure.4.A:Ilostmyschoolbag.IrememberIstillhadmyschoolbagwithmeatthepark.B:So

itstillatthepark?mustcouldmight/couldcan't拓展難點(diǎn)鞏固Pleasefinishtheseexercises.1.Hemust

(do)hishomeworknow.2.Hecould

(come)heretomorrow.3.Lucydidn'tanswerthephonelastnight.Hemust

(fall)asleep.bedoingcomehavefallen對將來或現(xiàn)在的推測：情態(tài)動詞+do/bedoing對過去的推測：情態(tài)動詞+havedone小結(jié)Summary1.“Must”toshowthatyouthinksomethingisprobablytrue.一定，肯定，準(zhǔn)是2.“Could”or“might”toshowthatyouthinksomethingispossiblytrue.可能注意！might表推測不用于疑問句，而could可用于肯定句、否定句和疑問句。3.“Can't”toshowthatyouarealmostsuresomethingisnottrue.不可能對將來或現(xiàn)在的推測：情態(tài)動詞+do/bedoing對過去的推測：情態(tài)動詞+havedone(intheclassroom)A：Ifoundashcooluniformontheplayground.Doyouknowwhoseitis?B:It

beJack's,butI'mnotsure.(could/must)A:It

behis.Isawhimwearinghisownschooluniformjustnow.(mustn't/can/t)C:It

beTom's.Heislookingforiteverywhere.(must/might)

(ontheplayground)Tom:Oh,whereis