Unit2HomeSweetHomeSectionAWhatcanyoudoforyourhome?(GrammarFocus)Attheendoftheclass,youwillbeableto:1.mastertheusageofmodalverbs"can"and"could";2.makeconversationswithmodalverbs"can"and"could".CanIplaybasketballwithmyfriendsafterschool?Sorry.Youhavetodoyourhomeworkfirst.Noproblem!Couldyoupleasetakeouttherubbish?GrammarFocusReadthequestionswithcanorcould.Noticehowtheyareanswered.ThenwriteRforrequestsorPforpermissionnexttoeachquestion.Couldyoupleasesweepthefloor?OK,Mum.I’lldoitatonce.CouldIhangoutwithmyfriendsafterlunch? Sorry,Jim,butyouhavetopackupyourthingsfirst.CanIputsomeflowersonthetable?Yes,goodidea!Canyouhelpmehangupthephotos?Sure./Noproblem!AskforrequestAskforrequestAskforpermissionAskforpermission情態(tài)動(dòng)詞can和could用法情態(tài)動(dòng)詞can和could可用于向?qū)Ψ教岢稣?qǐng)求，也可用于請(qǐng)求對(duì)方允許自己做某事。它本身不能作謂語(yǔ)，必須和動(dòng)詞原形一起構(gòu)成謂語(yǔ)。1.用于提出要求或請(qǐng)求“Can/Couldyouplease...?”意為“請(qǐng)你……好嗎？”或“你能/可以……嗎？”，用于提出要求或請(qǐng)求。常用答語(yǔ)有：肯定回答

Yes,sure./Ofcourse.好的，當(dāng)然可以。Noproblem.沒問(wèn)題。Withpleasure.樂意幫忙。Sure/Ofcourse/Certainly.當(dāng)然可以。否定回答Sorry,Ican’t.Ihaveto...對(duì)不起，我不能。我得……Sorry,I’mgoingto...對(duì)不起，我將……I’mafraidIcan’t.Ihaveto...恐怕不行。我得……I’mafraidnot.恐怕不行。e.g.—Canyoupleaselendmeyourbike?

請(qǐng)把你的自行車借給我好嗎？—Sure/Ofcourse/Certainly.

當(dāng)然可以。e.g.—Couldyoupleasegohikingwithmetomorrow?

請(qǐng)你明天和我一起去遠(yuǎn)足好嗎？—Sorry,Ican’t.Ihavetoprepareforacompetition.

對(duì)不起，我不能。我得準(zhǔn)備一個(gè)比賽?！炯磳W(xué)即練】—Canyougooutwithustonight?—I’dloveto,butI

.Ihavetofinishmywork.A.can’tB.mustn’tC.needn’tD.shouldn’tA2.用于請(qǐng)求許可Can/CouldI...?”意為“我能……嗎？”，用于請(qǐng)求對(duì)方允許自己做某事。常用的答語(yǔ)有：肯定回答

Yes,youcan.是的，你可以。Ofcourseyoucan.當(dāng)然可以。Yes,please.是的，去吧/用吧/……否定回答Sorry,youcan’t.對(duì)不起，你不可以。Sorry,I’mafraidyoucan’t.對(duì)不起，恐怕不行。e.g.—CouldIhavealookatyournewwatch?

我能看一下你的新手表嗎？—Ofcourseyoucan.Hereyouare.

當(dāng)然可以。給你。e.g.—Mum,couldIgooutforawhile?

媽媽，我能出去一會(huì)兒?jiǎn)?？—I’mafraidyoucan’t.Youhavetowashyourclothesfirst.

恐怕不能。你得先把你的衣服洗了?！咀⒁狻浚?）表示提出請(qǐng)求或請(qǐng)求許可（即請(qǐng)求別人允許自己做某事）時(shí)，could和can都可以用，但could語(yǔ)氣更委婉。e.g.

Could/CanIcomein?我可以進(jìn)來(lái)嗎?（2）對(duì)別人的請(qǐng)求給予許可時(shí)，一般只用can，而不用could。e.g.—CouldIuseyourpen?我可以用你的鋼筆嗎？—Ofcourseyoucan.當(dāng)然可以。3.用于表示能力

表示現(xiàn)在的能力用can，表示過(guò)去的能力用could。此時(shí)could是can的過(guò)去式。e.g.Mysistercanswim.

我的妹妹會(huì)游泳。e.g.Hecouldn’tanswerthequestionatthattime.

他當(dāng)時(shí)不能回答那個(gè)問(wèn)題?！炯磳W(xué)即練】1.—

youremindSallynottowearherschooluniformforthepicnictomorrow?—OK.I’lltellher.A.MustB.ShouldC.CanD.Need2.Thelovelyboy________ridethebikeattheageofsix.A.mustB.couldC.needD.should3.—Bill,________Iuseyourruler?—Ofcourse,youcan.Hereyouare.A.canB.mustC.needD.shouldCBAChoose

the

best

question

to

complete

each

conversation.A.

Could

you

give

me

a

ride

to

town

now?B.

Can

I

stay

out

until

eleven?C.

Mr

Lake,

canIuseyourtoilet?D.

Could

I

use

your

computer?1.A:_____________________________B:

Of

course

you

can.

Let

meshowyoutheway.2.A:_____________________________B:

Yes,

if

you

are

careful

with

it.CDChoose

the

best

question

to

complete

each

conversation.A.

Could

you

give

me

a

ride

to

town

now?B.

Can

I

stay

out

until

eleven?C.

MrLake,

canIuseyourtoilet?D.

Could

I

use

your

computer?3.A:_____________________________B:

No,

you

can’t.

You

have

abasketball

game

tomorrow,remember?Youneedagoodrest.4.

A:

Can

I

go

to

the

movies?B:

Ofcourse.A:______________________B:Ican’t.Ihavetodosomeworknow.BAMakeup

conversations

for

each

setting,

using

can

or

could.1.Youareatyourfriend’shome.Youwanttocallyourparents,butyourphoneisdead.2.Youweresickathomeyesterday.YourfriendwenttoanEnglishclassandtooknotes.Youwanttoknowmoreabouttheclass.

A:Can/CouldIuseyourphone?B:Sure./OfcourseA:Can/Couldyoutellmesomethingaboutyesterday’sEnglishclass?B:Sure./OfcourseMakeup

conversations

for

each

setting,

using

can

or

could.3.Youareholdingalargebox.Itisdifficulttoopenthedoor.Yourneighbourcomes.4.Youandyourclassmateswanttohelpcleanupthecommunity.Askyourclassmatestobringglovesandrubbishbags.

B:Surec./Ofcourse.A:Can/Couldyouhelpmeopenthedoor?A:Can/Couldyoubringglovesandrubbishbagstocleanupthecommunity?B:Surec./Ofcourse.LanguagepointsLanguagepoints1.CanIstayoutuntileleven?我能在外面待到11點(diǎn)嗎?

untilprep.到……時(shí);直到……為止(1)prep.到……時(shí)；直到……為止not...until...意為“直到……才……”，常與非延續(xù)性動(dòng)詞連用,表示動(dòng)作直到until所表示的時(shí)間才發(fā)生。e.g.Theydidn’thaveacaruntillastyear.

他們直到去年才有一輛汽車。(2)conj.到……時(shí);直到……為止引導(dǎo)時(shí)間狀語(yǔ)從句,表示動(dòng)作或狀態(tài)的延續(xù)。也可用于

not...until...結(jié)構(gòu)。e.g.Youwillnevertrulyunderstandyourparents’greatloveunlilyougrowup.直到你長(zhǎng)大后,你才會(huì)真正理解父母?jìng)ゴ蟮膼邸?.Youwanttocallyourparents,butyourphoneisdead.

你想給你的父母打電話,但你的電話沒電了。deadadj.

不運(yùn)行的；死的（1）adj.（因?yàn)槿彪姡┎贿\(yùn)行的e.g.Myphonewentdead,soIneedtochargeit.

我的手機(jī)沒電了，所以我需要給它充電。（2）adj.死的

在句中作定語(yǔ)或表語(yǔ)。thedead死者e.g.Thereweredeadleavesonthegroundafterthestrongwind.

大風(fēng)過(guò)后枯葉落了一地。

【拓展】與dead相關(guān)的其他單詞:dievi.死亡，其過(guò)去式和過(guò)去分詞均為died,現(xiàn)在分詞為dying。是短暫性動(dòng)詞，不能與時(shí)間段連用。dieof/from“死于”deathn.死亡dyingadj.垂死的;臨死的

只能作前置定語(yǔ)。e.g.Hehasbeendeadfortwoyears.Hediedofcancer.Wewereverysadabouthisdeath.他已經(jīng)去世兩年了。他死于癌癥。我們?yōu)樗娜ナ栏械胶茈y過(guò)3.YourfriendwenttoanEnglishclassandtooknotes.你的朋友去上英語(yǔ)課了并做了筆記。noten.筆記；記錄；便條

v.注意；指出（