《九年级上册Unit8第3课时Section A Grammar Focus-4c》课件

SectionAGrammarFocus-4cUnit8ItmustbelongtoCarla.九年级上册RJ初中英语1.Newwords:laboratory,outdoors,coat,sleepyLearninggoals2.Sentences：①—Whosevolleyballisthis?

—ItmustbeCarla’s.Sheloves volleyball.

②—Whosehairbandisthis?—ItcouldbeMei’shairband.Or itmightbelongtoLinda.3.Grammar：Beabletouse"must,might,could,

can't"toinferonthepossibilityofthingsTalkaboutthesethingsandfindoutwhosetheyare.1.Whosepenisthis?Isitagirl'soraboy's?Itmightbeagirl's.Becauseit'sred.Warmingup2.Whoseisthisruler?WhyisitMary's?ItmustbeMary's.Becausehernameisonit.Mary3.Whoseisthishouse?Whydoyouthinkso?Itcan'tbemine.BecauseIdon'thaveenoughmoneytobuysuchahouse.Readthefollowingsentencesandfindoutthecommonfeatures.Whosevolleyballisthis?ItmustbeCarla’s.Shelovesvolleyball.Whosehairbandisthis?ItcouldbeMei’shairband.OritmightbelongtoLinda.Theybothhavelonghair.情态动词表示推测Whatdidyouseethatnight?I’mnotsure,butitcan’tbeadog.Itwasbigger.Ithinkitmightbeabearorawolf.情态动词表示推测句式情态动词含义用法肯定句must一定表示有把握的肯定推测。may/might/could也许；可能表示没有把握的推测。一、情态动词表示推测的意义和用法句式情态动词含义用法否定句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肯定推测。疑问句can/could可能表示推测。Hemustbeveryhappywhenheheardthenews.Hemaybeinhisoffice,butI’mnotsure.Thatmancan’tbeyourteacher.He’smuchtaller.Itmay

notberight,butthat’swhatIthink.—

Canthenewsbetrue?—No,itcan’tbetrue.（1）情态动词表示推测时，无时态区别，只有语气差别。表示推测的情态动词的语气强弱顺序如下（由强到弱）：must＞can＞could＞may＞might（2）含有must的句子（must表推测）变为否定句时，要用can’t。Hemustbeathome.→Hecan’tbeathome.（1）情态动词+动词原形：表示对现在事情的推测。ThisbookmustbeJim’sbecausehisnameisonit.（2）情态动词+be+动词-ing：表示对正在发生的事情的推测。Mymothermightbecookinginthekitchen.二、不同形式的情态动词表示不同的含义（3）情态动词+have+动词的过去分词：表示对过去情况的推测。Thegroundiswet.Itmusthaverainedlastnight.1.A:Where’sJean?B:I’mnotsure.She___________(is/mightbe/must be)inthelaboratory.2.A:Everyoneisgoingtothepoolafterschool.B:Really?It_____________(mustbe/can’tbe/could be)hotoutdoors.mightbemustbeChoosethebestwaytocompleteeachsentenceusingthewordsinbrackets.4a

3.A:That’sthephone.B:Hmm.Iwonderwhoit_____________(mustbe/ couldbe/shouldbe).4.A:IwonderiftheseareJim’sglasses.B:They_____________(can’tbe/mightbe/could be)his.Hedoesn’twearglasses.couldbecan’tbe5.A:Ihearwaterrunninginthebathroom.B:It________________(couldbe/mustbe/can’tbe) Carla.Shewasthinkingoftakingashower.mustbe/couldbeCompletetheseresponses.1.A:Manypeoplearewearingcoats.B:Theweathermustbe________________________.2.A:Sallyhasbeencoughingalot.B:Shemightbe______________________________.3.A:Thisrestaurantisalwaysverycrowded.B:Thefood_________________________________.4.A:WheneverItrytoreadthisbook,Ifeelsleepy.B:Itcan’t___________________________________.verycoldhavingabadcoldmustbedeliciousbethatboring4b

sleepy/ˈsli:pi/adj.

困倦的；瞌睡的WheneverItrytoreadthisbook,Ifeelsleepy.（教材P604b）sleepy是形容词，意为“困倦的；瞌睡的”，可作定语或表语。Languagepointsasleep也是形容词，意为“睡着的”，常用作表语或宾语补足语。Jimdidn’tsleepwelllastnight.Heistiredandfeelssleepynowandfallsasleepsoonathisdesk.Whatcanyouseeinthepicture?Whatarehis/herhobbies?Whydoyouthinkso?Whodoyouthinklivesintheroom,aboyoragirl?Lookatthepictureandanswerthefollowingquestions.Lookatthispictureofaroom.Howmuchcanyoutellaboutthepersonwholiveshere?Isitaboyoragirl?Whatarehis/herhobbies?Discussyourideaswithapartner.

Iguessso.Butitmightbeaboy’sroombecausetheclotheslooklikeboys’clothes.Itcouldbeagirl’sroombecauseit’sverytidy.4c

1.(内江中考)—IsthetallmanMr.Hunt?—No.It

behim.HehasgonetoChengdu.A.can'tB.needn'tC.mustn'tD.won'tA一、单选Exercises2.(抚顺中考)Iwalkedheretoday,sothisbike

bemine.A.canB.mustn'tC.can'tD.mustC3.(白银中考)

Youhaven'teatenallday.You

beveryhungry.A.couldn'tbeB.can'tC.mightD.mustD4.(大庆中考)Mr.Jonathan

yournewEnglishteacher.A.maybeB.bemightC.maybeD.mightisC5.(黔西南州中考)Thereisaknockatthedoor.It

mymom.It'stimeforhertobebackhome.A.maybeB.maynotbeC.mustbeD.mustn'tbeC6.(无锡中考)You

beabletocontrolallthethingsthathappentoyou,butyoucandecidenottobereducedbythem.A.neednotB.maynotC.mustnotD.shouldnotB7.(呼和浩特中考)—Whatalovelypresent!Whosentit?

itbeyourbrother?—It

bemybrother.Hedoesn'tknowtodayismybirthday.A.Can;can'tB.Can;mustn'tC.Must;mustn'tD.Must;can'tA二、根据括号里的汉字提示填空。1.—IsTomcomingbytrain?—He

(可能)drivehiscar.I'mnotsure.2.—Look!Themanwelcomingusattheschoolgate

(一定)beourheadmaster.—No,it

(不可能)

behim.Heishavingameetingintheofficenow.may/mightmustcan'tGrammarSentences①—Whosevolleyballisthis?—ItmustbeCarla's.Shelovesvolleyball.②—Whosehairbandisthis?—ItcouldbeMei'shairband.OritmightbelongtoLinda.Beabletouse"must,might,could,can't"toinferonthepossibilityofthingsKeywordslaboratory,outdoors,coat,sleepySummary

noise、sound与voice辨析1.Theycouldhearthe

⁠ofabellringingfaraway.2.Thereissomuch

⁠inthisrestaurant.Icanhardlyhearwhat

youaretalkingabout.3.Pleasekeepquiet！Don’tmakeany

⁠inthelibrary.4.Jackspokeninaverylow

，sowecouldn’thearhim.5.Ourteachertellsusthat

⁠travelsslowerthanlight.sound

noise

noise

voice

sound

sleepy、asleep与sleep辨析1.Ididn’t

welllastnight，soI’mfeeling

⁠.2.Keepquiet.Don’twakeupthe

⁠baby.3.I’msorrytocomelate，MissWhite.Ifell

⁠onthesofaand

didn’thearthealarm.4.Tomfelt

⁠inhisclassbecausehewokeupseveraltimes

duringthenight.5.TheteacherfoundRob

⁠inclass.sleep

sleepy

sleeping

asleep

sleepy

sleeping

attend、join与takepartin辨析1.NancyisgoodatEnglish，soshe

⁠theEnglishclublastterm.2.Manyimportantpeoplewill

⁠themeetingtomorrow.3.Whydidn’tJohn

Jim’spartyyesterday？4.Ourschoolwillholdasportsmeeting.Willyou

it？5.Everyoneelse

⁠themeetingexceptme.joined

attend

takepartin

takepartin

attended

情态动词的用法根据句意使用恰当的情态动词填空1.Ithinkweshouldtakeraincoatswithus.It

⁠rainsoon.2.Aftersuchalongwalk，you

⁠betiredandthirsty.3.You

feedtheanimals，oryou’llbefined500yuan.4.Jeff

⁠beintheclassroom.Ijustsawhimleavetheschool.5.Whenthetrafficlightschangetogreen，we

⁠crossthestreet.may/might

must

mustn’t/can’t

can’t

can

书面表达

假如你是Tom，你的好朋友Linda的宠物猫Mimi走失好几天了，为

此，她感到很着急。请你用英语给Linda写一封信安慰她，并推测Mimi

可能会在哪里、在做什么。要求：(1)书信格式要正确；(2)运用以下句式进行推测：Shemight…Itispossiblethat…(3)词数80左右。

I’msorrytohearthatyourpetcat，Mimi，hasbeenlostforseveral

days.Youneedn’tworryabouther.Shemightbetryingtofindoutthe

wayhomenow.Orshemightmeetakindpersonandbesenttothe

policestation.Andalsoitispossiblethatsheisplayingsomewherewith

othercats.Ithinkshewillcomebackhomesoonerorlater.