九年级英语（交互版）上册精华课件-【第3课时(A Grammar Focus-4c)】

Unit8ItmustbelongtoCarla.SectionAGrammarFocus-4cR·九年级全一册Learningobjects(学习目标)By

the

end

of

the

class,youwillbeableto…Learnthenewwords:laboratory,outdoors,coat,sleepy…Learnthegrammar:makeinferenceswithmodalverbs.Talkaboutthebelongings.Canyouguesswhatitis?Itcouldbe____________.Italsomightbe_________.awhitevasetwofacesGuessinggameItmustbe________.No,itcouldbe___________.flowersagirl’sfaceFillintheblankswithmodalverbs.—Whosevolleyballisthis?—It________Carla’s.Shelovesvolleyball.—Whosehairbandisthis?—It________Mei’shairband.Orit________

belongtoLinda.Theybothhavelonghair.couldbemustbemight—Whatdidyouseethatnight?—I’mnotsure,butit________adog.Itwas

bigger.Ithinkit________abearorawolf.can’tbemightbeWhosevolleyballisthis?ItmustbeCarla’s.Sheloves

volleyball.Whosehairbandisthis?ItcouldbeMei’shairband.OritmightbelongtoLinda.Theybothhavelonghair.Whatdidyouseethatnight?I’mnotsure,butitcan’tbeadog.Itwasbigger.Ithinkitmightbeabearorawolf.GrammarFocus语法重点:情态动词表推测表示可能、怀疑、允诺、愿望、义务、必要、猜测等的动词就是情态动词。情态动词可以表示说话人的语气或某种情态，也可以表示推测。英语中表示推测的情态动词主要有must,can,could,may,might等。定义句式情态动词意义用法肯定句mustmay/might/could否定句can’t/couldn’tmaynot/mightnot疑问句can/could一定;肯定表示有把握的肯定推测可能表示不太有把握的肯定推测不可能表示有把握的否定推测表示不太有把握的否定推测可能表示推测可能不用法这一定是露西的法语书。她是唯一学过法语的人。ItmustbeLucy’sFrenchbook.Sheistheonly

personwhohaslearnedFrench.你可能是对的，但我认为你是不对的。Youcould/mightberight,butIdon’tthinkyou

areright.那不可能是他。他去纽约出差了。

Itcan’tbehim.HehasgonetoNewYorkon

business.它可能不对，但我就是这么想的。

Itmaynotberight,butthat’swhatIthink.门口会是谁呢？会不会是汤姆呢?

Whocanitbeatthedoor?CanitbeTom?(1)“情态动词+动词原形”，表示对现在的事情的推测。我不知道她在哪儿。她可能在武汉。I

don’t

know

where

she

is.She

may

be

in

Wuhan.(2)“情态动词+be+动词-ing形式”，表示对正在进行

的事情的推测。那个穿着西装的男人也许正跑着去赶公共汽车。The

man

in

a

suit

might

be

running

to

catch

abus.拓展(3)“情态动词+have+动词的过去分词”，表示

对过去或已经完成的事情的推测。地是湿的，一定是下过雨了。The

ground

is

wet.

It

must

have

rained.【活学活用】一、用适当的情态动词填空。1.—Susanhasboughtalargehousewithaswimmingpool.—It______beveryexpensive.Ineverevendreamaboutit.2.—Listen!IsMr.Greengivingareportinthehall?—No,it______behim.HehasgonetoJapan.mustcan’t3.Annhasn’tcometoschooltoday.Ithinkshe________________beill.4.Theguitar_______________belongtoAlice.Shelikesplayingtheguitar.5.—IwonderifthisisJack’sbook.—It______behis.IthasLinda’snameonit.may/might/couldcan’tmay/might/could1.(怀化中考)——Where’sJane?—I’mnotsure.She________inthelibrary.A.mightbeB.mustbeC.can’tbe2.(泸州中考)Mr.Collins________liketea.He

makesacupofteaforhimselfeverymorning.A.mustB.mayC.can’tD.mustn’t二、单项选择。3.(宜昌中考)—Listen!Lindaisplayingtheerhuin

thenextroom.—It________notbeLinda.Shehasgoneto

Shanghaitovisitheruncle.A.canB.mustC.needD.shall4.(泰州中考)—InChina,manystudentsfeelstressed

becauseoftoomuchhomework.—Don’tworry.Ourgovernmenthasrealizedthis

problem.I’msurethere________begoodnewsfor

themsoon.A.canB.mustC.shouldD.need5.(鄂州中考)—Whosetextbookisit?IsitJenny’s?—No,it________beJenny’s.Look,Helen’s

nameisonthecover.Ithinkit_____beHelen’s.A.can’t;mustB.mustn’t;mustC.can’t;mayD.mustn’t;mayChoosethebestwaytocompleteeachsentenceusingthewordsinbrackets.4a1.A:Where’sJean?

B:I’mnotsure.She__________(is/mightbe/

mustbe)inthelaboratory.2.A:Everyoneisgoingtothepoolafterschool.B:Really?It_________(mustbe/can’tbe

/

couldbe)hotoutdoors.mightbemustbe3.A:That’sthephone.

B:Hmm.Iwonderwhoit________(mustbe/could

be/shouldbe).4.A:IwonderiftheseareJim’sglasses.B:They________(can’tbe/mightbe/couldbe)his.

Hedoesn’twearglasses.couldbecan’tbe5.A:Ihearwaterrunninginthebathroom.B:It________________(couldbe/mustbe/can’t

be)Carla.Shewasthinkingoftakingashower.

couldbe/mustbetakeashower意为“洗淋浴”，相当于haveashower。hearsb./sth.doingsth.听见某人/某物正在做某事Completetheseresponses.4b1.A:Manypeoplearewearingcoats.B:Theweathermustbe_______________________.2.A:Sallyhasbeencoughingalot.B:Shemightbe______________________.3.A:Thisrestaurantisalwaysverycrowded.B:Thefood_________________.4.A:WheneverItrytoreadthisbook,Ifeelsleepy.B:Itcan’t_____________________________.verycoldhavingabadcoldmustbedeliciousbethatboringsleepy形容词，意为“困倦的；瞌睡的”。既可作定语，也可作表语。asleep形容词，意为“睡着的”，只能作表语，不能作定语。fallasleep意为“入睡”。whenever连词，意为“每当”时，引导时间状语从句；意为“无论何时；在任何时候”时，引导让步状语从句，相当于nomatterwhen。Lookatthispictureofaroom.