中考情態(tài)動詞(一)動詞分類助動詞不同時態(tài)的助動詞有:2.系動詞系動詞包含be動詞，感官動詞，表變化、結(jié)果的動詞，如am/is/are,sound/look/taste/smell/feel,become/grow/go/get/turn,prove，stay/keep/remain,seem/appear3.實義動詞又稱行為動詞，可以分為及物動詞，不及物動詞work,run,walk,listen.區(qū)別：及物動詞+賓語，不及物動詞后不能直接跟賓語4.情態(tài)動詞1.can：①表能力，“能，會”IcanspeakEnglishWecantakethebusandthemetrotoschool.Wecanplantmoretrees.We(能拖地).②表允許，請求，could語氣更委婉。Could還是can的過去式。CanIuseyourcomputer?—CouldIuseyourmobilephone?—Yes,youcan.Hereyouare.③用can't，表示“不可能”MrWangcan'tbeathome.Heisabroadnow.④表示驚異、不相信等態(tài)度“怎么，如何”(主要用于否定句和疑問句中)Eg:Howcouldhedosuchathing?--HowcouldIthankyouenough?--Don’tmentionit.Anyothermaninthatcasewouldhavedonethat.--Howcouldyoueatthatalone?Howcouldthemanremainsuchamystery?HowcouldIgetintouchwithhimwiththistrickyaddress?※Whycan’tIgototheparty?May①表示許可或征求對方的許可，“可以”的意思MayIuseyourcomputer?回答以may開頭的疑問句有如下表達方式：—MayIsmokehere?我可以在這兒吸煙嗎？—Yes,youmay/can./Yes,please./No,youcan't/maynot./No,you'dbetternot.②表推測(眉山)—Ican'tfindmyphoneanywhere.—Youmayhavelostitwhileshopping.3.Must:①表強制，義務Eg:Youmustfinishyourhomeworkbeforeyouplayfootball.②表推測“一定，必定”Eg:TheT-shirtmustbeTom’s--Helikeblack.③一般疑問句的否定答語：Eg:--MustIfinishmyhomeworknow?--No,sbneedn’t/don’thaveto.-Mustwereturnthebooktothelibrarytoday?-No,you_________.Youcan_________itfortwoweeks.A.mustn't;keep B.mustn't;lendC.needn't;keep D.needn't;borrow④mustn’t：“禁止，表示法律法規(guī)條文要求的”Eg:Wemustn’tplayontheroad.Wemustn’tcrosstheraodwhenitisredman.※Whatmustn’twedoontheroad?4.should①應該Eg:Weshouldusepaperbagsandglassbottles.Weshouldnotdrivesomuch.Weshouldnotplasticbags(使用太多的塑料袋，塑料瓶)Weshould(保護樹木)②竟然MaryshouldlovesuchapersonasJack.練習：1.—___Itakemyumbrellawithme?—____bettertodoso.Theweatherischangeable.A.Must;You’dB.Shall;It’sC.Need;You’dD.Would;It’s2.Theythinktheprojectneedn’t__________again.A.discussingB.tobediscussedC.bediscussedD.discuss3.

Mum

,

why

do

I

have

to

wash

hands

so

many

times

a

day

?

--

For

your

health

,

you

be

too

serious

.

A

.

can

’

t

B

.

shouldn

’

t

C

.

mustn’

t

D

.

needn

’

t

4.Mum,doyouthinkI______takepartintheChemistrycompetition?Whynot?IfIwereinyourshoes,Icertainlywould. A.might B.would C.should D.must5.—I’vetoldyoumanytimesyou_____putthescissorsthere.Thekidsmayplaywiththem. —Sorry,Iwon’tdoitagain. A.wouldn’t B.mustn’t C.couldn’t D.needn’t6.“AsaChinese,I__________betoohard-working,”WangYapingstressedafter returningfromspace. A.mustn’t B.shouldn’t C.needn’t D.can’t7.―Rememberwhatthedoctorsaid?You_____takemorethantwospoonsofmedicineatatime.―Iknowthat,Mum.Threeisharmful.A.mustn’tB.needn’tC.wouldn’tD.couldn’t8.—MrZhong,whyshouldwehavetowashhandssooftenaday?—Foryourhealth,you________betoocareful.A．needn’t B．shouldn’t C．mustn’t D．can’t9..—Thehazeissoseriousnow.Itissuretobeharmfultoourhealth.—Yes,Iwonderwhenwe______worryabouttheairwebreathe.A.can'tB.needn'tC.mustn'tD.shouldn't10.—Dad,comeandlook!It’sallwhiteoutside. —There________beaheavysnowlastnight. A.would B.need C.can