Unit8SectionAGrammarFocus课件人教版九年级英语全册

Unit8ItmustbelongtoCarla.SectionAGFRevision1.这是谁的排球?______________isthis?

这一定是卡拉的。她热爱排球运动。

It_____be_______.Shelovesvolleyball.WhosevolleyballmustCarla’s2.—这是谁的发带？

—

______________isthis?—它可能是梅的发带。或者可能属于琳达。她们两人都是长头发。

—It_____beMei’shairband.Orit_____belongtoLinda.They____havelonghair.couldmightbothWhosehairbandRevision3.—那晚你看见了什么？

—_____didyouseethatnight?—我不确定，但肯定不可能是狗。它更大。我想也许是一头熊或一匹狼。

—I’m_______,butit________adog.Itwasbigger.Ithinkit________abearorawolf.Whatnotsurecan’tbemightbeRevisionWhosevolleyballisthis?ItmustbeCalar's.Shelovesvolleyball.Whosehairbandisthis?ItcouldbeMei'shairband.OritmightbelongtoLinda.Theybothhavelonghair.Whatdidyouseethatnight?I'mnotsure,butitcan'tbeadog.Itwasbigger.Ithinkitmightbeabearorawolf.GrammarFocus情态动词mustcancouldmaymight情态动词表推测大小can't约100%20%-80%possiblytrue几乎0almostnottrue肯定句：mustmay/might/could一定也许可能表示有把握的肯定推测表示没有把握的肯定推测否定句：can't/couldn't不可能表示有把握的否定推测maynot/mightnot可能不表示不太有把握的否定推测疑问句：can/could可能表示推测Hemustbeveryhappywhenheheardthenews.Hemaybeinhisoffice,butI'mnotsure.Thatmancan'tbeyourteacher.Heismuchtaller.情态动词表推测的用法CouldMissListillbeourmathteacherthisterm？注意：含有must的句子变为否定句时，要用can'tHemustbeathome.他一定在家。→Hecan'tbeathome.他不可能在家。注意：几个情态动词在一般疑问句中的回答。②

—MayIsmokehere?

—Yes,youmay.③—Musthegonow?

—Yes,hemust.④

—NeedIfinishmyhomeworktoday?

—Yes,youmust.—No,youmustn’t/can’t.—No,heneedn’t/doesn’thaveto.—No,youneedn’t/don’thaveto.Exercsie()1.Thelittleboygotzerointhisexam.Hismother____angrybecausesheisstrictwithhim.A.mustbe B.needbe C.mightbe()2.—CouldyoupleasetellmewhereTimis?—Iamnotsure.He____inthelibrary.A.mustbe B.mightbe C.shouldbeAB()3.—IsawMr.Wangthismorning.—It____him.HeisattendingameetinginShanghainow.A.mightn’tbe B.mustn’tbe C.can’tbe()4.—Ican’tfindmywalletanywhere.—You____havelostitwhileshopping.CBExercsie4a1.A:Where'sJean?B:I’mnotsure.She________(is/mightbe/mustbe)inthelaboratory.mightben.

实验室2.A:Everyoneisgoingtothepoolafterschool.B:Really?It_______(mustbe/can’tbe/couldbe)hotoutdoors.mustbeadv.

在户外，在野外3.A:That’sthephone.B:Hmm.Iwonder

whoit_______(mustbe/couldbe/shouldbe).couldbe4.A:Iwonder

ifthereareJim’sglasses.B:They_______(can’tbe/mightbe/couldbe)his.Hedoesn’twearglasses.can’tbe5.A:Ihearwaterrunninginthebathroom.B:It________________(couldbe/mustbe/can’tbe)Carla.Shewasthinkingof

takingashower.couldbe/mustbe考虑做某事Fillintheblankswithmust,might,orcan't.1.Thatbrightlight______beaUFO-there’snosuchthing!2.I’mstillwaitingforthebus,soI______beabitlatefortheparty.3.Thatsweater_____beCarla’s.She’stheonlyonewhowearssuchcolorfulclothes.4.Tony______wanttogototheconcert.Helikesmusic,butI’mnotsureifhelikesrockmusic.5.Thepersonyousawatthesupermarket_____beSusan.Ijusttalkedtoheronthephoneandshe’satworkrightnow.can’tmightSelfCheckmustmightcan’t情态动词可以对现在/正在/过去的事情进行推测

现在/将来：

一定/可能/不可能…

正在：

一定/可能/不可能正在做…

过去的：

一定/可能/不可能做了…这本书一定是吉姆的，因为上面有他的名字。ThisbookmustbeJim'sbecausehisnameisonit.我的妈妈可能正在厨房做饭。Mymothermightbecookinginthekitchen.地面是湿的。昨晚一定下雨了。Thegroundiswet.Itmusthaverainedlastnight.情态动词+do情态动词+bedoing情态动词+havedone表推测的时态(现在)他一定有一辆小汽车。He___________acarnow.2.

(正在进行)他一定在家做作业。He_________________hishomeworkathome.3.(过去)他一定已经完成了工作。

He_________________thework.4.他不可能去了上海，我刚看见他了。He______________toShanghaibecauseIsawhimjustnow5.(将来)可能会下雨。因为有一些乌云。It___________.Therearesomeclouds.

musthave

must

bedoingmust

have

finishedcan’thavegonemayrainExercise1.A:Manypeoplearewearingcoats.B:Theweathermustbe_________________________.2.A:Sallyhasbeencoughingalot.B:Shemightbe

_________________________.gettingcolder/coldoutsidehavingasorethroat/ill4bCompletetheseresponses.根据推测词，补充说明理由3.A:Thisrestaurantisalwaysverycrowded.B:Thefood________________.4.A:WheneverItrytoreadthisbook,Ifeelsleepy.B:Itcan’t_______________.mustbedeliciousbeveryinterstingadj.

困倦的；瞌睡的sleepy形容词，意为“困倦的；瞌睡的”可用作表语或定语。sleepysleepasleep形容词，意为“瞌睡的；困倦的”既可以是动词也可以是名词，意为“睡觉；睡眠”。sleeping作形容词,意为“供睡觉用的”,一般作定语;也可以是动词的-ing形式形容词，意为“睡着的,在睡觉的”beasleep意为“睡着的”；fallasleep意为“入睡”。1.Ididn’thaveagood______lastnight,soIwasso______allday.2.Somestudentsfall______inclassonMondaybecausetheyplaywiththesmartphonestillmidnightonweekends.3.Ifyouneedaplacetostayforthenight,youcansleeponthefloorinour