Grammar1．Theflowerisdead.I_______ityesterday.A．shouldwater
B．mustwaterC．shouldhavewateredD．mustn’thavewatered2．
WhattimeoughtI_______?A．arrivedB．arrivingC．arriv
eD．toarrive3．He_______speaktohismotherlikethat.A．
oughtnottoB．doesn’toughttoC．notoughttoD．oughtt
onot4．Idon’tthinkwe’dbetter_______itanymore.A．discuss
B．discussingC．todiscussD．discussed5．Yououghtto
_______him,butyoudidn’t.A．helpB．helpedC．helping
D．havehelped1.----Willyougoskatingwithmethiswinter
vacation?----It___.(2002上海)alldependedB.a
lldependsC.isalldependedD.isalldepending2.Ifa
iledinthefinalexaminationlasttermandonlythen_____thei
mportanceofstudies.(2004重庆)A.IrealizedB.I
hadrealizedC.hadIrealizedD.didIrealize解析：答案为D.句首
为“only+副词”时，句子要用部分倒装语序；根据语境应为一般过去时态。3.----Iwouldnevercome
tothisrestaurantagain.Thefoodisterrible!----_______
.(2004全国)A.NoramIB.NeitherwouldIC.Same
withmeD.SodoI答案B。第一个句子使用了would,用neither表示附和的意义时，助动词应与
上文一致。用情态动词完成句子1.You’vebeenworkingallday.You______bevery
tired.2.(Thedoorbellrings)Iwonderwhothatis.It______be
Lisa.She’sstillinthelibraryatthistime.3.Itisalongtim
esincewemetlasttime.You______comeandseeusmoreoften.
?4.Ihaven’tdecidedwhereI’mgoingformyholidays.I_____
gotoAustralia.5.Myfather’sbirthdayisccoming.What_____I
gethim?6.Whydon’tyoutryonthisdress?It_____lookniceon
you.7.“Whowasthemantalkingwithyourteacher?”“I’mnots
ure.It______beherbrother.”8.Idon’tknowwhentheguests__
___behere.They_____arriveatanytime.1.A:______youli
ketogotoaspecialeventwithusonSaturday?B:Yes,I
______________________________.4.A:IfIwanttobeadoctor
_______Istudyscience?B:Yes,you__________________.5
.A:Heisveryhandsome.____heplaytheroleoftheprince?
B:No,he_____________________________.6.A:Theneighbou
r’schildrenareolderthisyear._______________theystopplay
ingtricksatHalloween?B:Perhaps,they_______________
___________________.__________________________
____________.1.Idon''tknowwheresheis,she_______b
einWuhan.2.Atthismoment,ourteacher________________
ourexampapers.这时，我们老师想必在批改试卷。3.Theroadiswet.It__
______________lastnight.
(rain)4.Yourmother______________________foryou.
你妈妈一定一直在找你。maymustbemarkingmusthaverainedmusthavebeen
looking5.Philip________________________seriouslyintheca
raccident.菲利普可能在车祸中受了重伤.6.---Lindahasgonetowork,buther
bicycleisstillhere.---She_____________________(go)by
bus.7.Mike________________hiscar,forhecametowork
bybusthismorning.迈克一定还没有找回他的车，因为早上他是坐公共汽车来上班的。may(mig
ht)havebeenhurtmay(might)havegonecan’thavefoundmustca
n’tshouldmayshallwillmightwillcould2.A:______XiaoFe
ngfindtheoriginofEasterfromthatbook?B:No,he____
_________.Would’dliketogowithyouonSaturdayCouldcouldn
’tfinditExercise3.A:_____Igowithmyfriendtotheha
rvestfestival?B:Yes,you_________________________.sho
uldstudyscienceMaymaygo(withyourshouldfriends)can’t
playtheroleoftheCanprinceMightorShouldmightstoporsh
ouldstopplayingtricksplayingtricksatHalloweenatHalloween
Modalverbs1.情态动词有一定的意义，只表示期待或估计某事的发生，不能表示正在发生或已经发生的事情。2
.没有人称和数的变化，即情态动词第三人称单数不加-s。3.不能独立使用，它和后面的动词构成谓语。4.情态动词?除oug
ht?和have?外，后面只能接动词原形5.?情态动词没有非谓语形式，即没有不定式，分词，等形式。只作情态动词的
can/could,may/might,oughtto,must可情态可实义的need,dare/dar
ed可情态可助动词的shall/should,will/would相当于情态动词的haveto,usedto·情
态动词的语法特征1.Sohecancarryheavybooks.2.Hecouldn’topenthe
doorbyhimself.3.Couldyouopenthedoor,please?Themodalv
erbs“can”and“couldn’t”meanone’sabilitytodosomething.The
yaresimilarto“beabletodosomething”.“could”inthethird
sentencemeansmakingarequest..Must,can/could,may/might的用法
must1.Must表示推测时，只能用于肯定句。mustdo对一般时的肯定推测
musthavedone对过去发生的事情作出的肯定判断mustbedoing对现在的动作进行肯定
推测他们买了一辆新车。他们一定很有钱Theyhaveboughtanewcar.Theymusthave
alotofmoney.他现在一定在看小说Hemustbereadingnovelsnow.路是湿的。昨天晚
上一定下雨了。Theroadiswet.Itmusthaverainedlastnight.can/coul
d1.can/could表示推测时，只能用在否定句或疑问句中。It’ssolate.CanTomberea
ding?这么晚了，汤姆还在看书吗？这个人不可能是玛丽，她生病了。Itcan’tbeMary.Shehasfa
llenill.她不可能在说谎。Shecouldn’tbetellinglies.2.can/couldnot
havedone对过去发生行为进行推测:不可能做某事刚才我还看见他了，所以他不可能出国的。Isawhimjus
tnowsohecouldn’thavegoneabroad.门是锁着的，所以她不可能在家。Thedoor
waslocked，soshecouldn’thavebeenathome.3.can/couldhave
done“本可以，本可能做某事”用于肯定句中，表示对过去发生的事情做出的判断，你本来可以考的更好。Youcouldh
avehadabettermark.may/might1.May/might表示推测时，只能用于陈述句，表示对现在或将
来要发生的动作把握不大。(may>might)她们明天可能会到这里来。Theymaycomeheretomorrow.
他们可能还在等我们呢。Theymaybestillwaitingforus.2.might可用于指过去的行为或
者表示可能性更小。他也许在作功课吧。Hemightbedoinghishomeworknow.我问他我是否可以离
开。IaskedhimifImightleave.Iaskedhim“MayIleavenow?”3
.might/mayhavedone,表示对过去发生的动作进行可能性推测，他可能去医务室了。Hemayhavego
netotheclinic.他可能已经从报纸上知道这个消息了。Hemighthavereadaboutthe
newsinthenewspaper.Will/Wouldyoudo…?表请求，表意志，愿望，决心w
ould表过去反复发生得动作或某种倾向“总是,总要”usedto表过去常常（现在已没有这种习惯）“过去常常”usedto
可于状态动词连用would不可以eg.Heusedtobeaquietboy.()Hewouldb
eaquietboy.()√×will/wouldIfyouwillhelpmewith
myEnglish,Iwillbeveryhappy.
IpromisedthatIwoulddomybest.YoushalldoasIsay.(命令)
1.在陈述句中,shall用于二、三人称表示允诺、警告、命令、决心等。ShallIopenthewindowfor
you？（征求意见）2.在疑问句中,用于一、三人称，用来表示请求或征求意见。shall,should和oughttoT
ellhimthatheshallhavethebooktomorrow.(允诺)Nothingshal
lstopmedoingit.(决心)Shallhefetchsomewaterfor
you？（请求）Youngpeopleshouldlearnhowtousecomputers.
3.should常表示劝告、建议、命令，与oughtto意义相近，但oug
htto多表示责任、义务，语气强烈。Everycitizenoughttoobeylaw.Yououg
htnottogo.Youshould/oughttohavetoldherthetruthearlier
.Sheshouldn’thaveleftwithoutsayingaword.4.should/ought
tohavedone表示责备或批评,意为“本应该…但”,oughtto的语气更强烈,用于否定则表示“本不该…但”5.Sh
ould用于可能性推测时,表“应该，很可能”Theyleftat5:30.Theyshouldgettheren
ow.---Needhestartfromthebeginning?
---Yes,hemust.
---No,heneedn’t/doe
sn’thaveto.1.作情态动词时,仅用于否定或疑问句,后接动词原形,表“需要”needY
ouneedn’treturnthebooknow.2.needn’thavedone表示做了本不必要做的事情,
意为“本不必要…”OurcolorTVsetisstillgoodenough.Youneedn’thave
boughtanewone.3.Need作实义动词时,表示“需要”，有人称、时态、和数的变化Heneedstof
inishitthisevening.Theclassroomneedscleaning.1.作为情态动
词用，常用在否定句和疑问句中。Dare(need)+S+VS+daren’t(needn’t)+VIdare
n’twalkthroughtheforestatnight.Dareyouwalkthroughthef
orestatnight?Youneedn’treturnthebooknow.Needhegoyeste
rday?可兼做行为动词的情态动词：need、dare2.作实义动词用，常用在肯定句中,有人称、时态、和数的变化
Heneedstogotherehimself.Hehasgrownup,wedon’tneedtow
orryabouthim.3.Sth(sb)need(want,request)+doing/tobed
oneThehouseneedscleaning/tobecleanedTheboyne
edssendingtothehospitalatonce.句型时态
动词情态动词dare实义动词dare肯定句现在时daredo
dare/darestodo过去时daredodared
todo否定句现在时daren’t/darenotdodo/doesnotdare(to)d
o过去时darednotdodidnotdare(to)do疑问句现在时Da
rehedo?Doyou/Doeshedare(to)do?过去时Daredhedo
?Didhedare(to)do2.Iwonderhowhe____thattotheteac
her.A.daretosayB.daresayingC.notdare
sayD.daredsayD4.Asitturnedouttobeasmallhouse
party,we____soformally.Aneedn’tdressB.didn’tha
vetodressupC.MightnothavedressedupD.needn’thaved
ressedupD1.判断正误:Howdareyousaysuchathing?
Howdareyoutosaysuchathing?Hedaren’ttospeakEnglish
beforesuchacrowd,didhe?Hedaren’tspeakEnglishbefore
suchacrowd,darehe?Nobodyneedtobeafraidofcatchingt
hedisease.Nobodyneedbeafraidofcatchingthedisease.These
dishesneedbecleanedcarefully.Thesedishesneedtobeclean
edcarefully.Thesedishesneedcleaningcarefully.用情态动词完成句子
1.You’vebeenworkingallday.You______beverytired.2.(The
doorbellrings)Iwonderwhothatis.It______beLisa.She’
sstillinthelibraryatthistime.3.Itisalongtimesincew
emetlasttime.You______comeandseeusmoreoften.4.I
haven’tdecidedwhereI’mgoingformyholidays.I______go
toAustralia.5.–Whowasthemantalkingwithyourteacher?-
-I’mnotsure.It_______beherbrother.6.Whenhewasthere,h
e______gotothatcoffeeshopatthecornerafterworkever
yday.7.You_____playthepianowhilethebabyissleeping.8.
Tom,pleaselendmeahand.Mydrawer___notopenmustcan’tsh
ouldmaymightwouldmustn’twillCDAAD1.--Excuseme,b
utIwanttouseyourcomputertotypeareport.--You____have
mycomputerifyoudon’ttakecareofit.A.shan’tB.mightnot
C.needn’tD.shouldn’tA2.---WhencanIcomeforthephotos?
Ineedthemtomorrowafternoon.---They_____bereadyby12
:00.A.canB.shouldC.might
D.needB3.Withsomuchworkonhand,you____toseethegame
lastnight.A.mustn’
tgoB.couldhavegoneC.shouldn’tgoD.shouldn’th
avegoneD解析：答案B。Italldepends是“不确定”、“看情况”的意思。高考链接BDBWhenyouareverysureofsomething,youusemustinpositivesentencesandcannotorcan’tinnegativesentences.e.g.YoumustbeJeanne.I’mMathildeLoisel.Weusedtoknoweachotherverywell.Itcan’tbetrue!Idon’tbelieveit.Whenyouarequitesureaboutsomething,youusecan.e.g.Attendingaballcanbeexciting.Practice1Whenyouthinkthatsomethingispossible,butyouarenotverysure,youusecould,mayormight.e.g.YoucouldborrowsomejewelleryfromyourfriendJeanne,whoismarriedtoarichman.YoumaynotknowthatthenecklaceIreturnedisnottheonethatIhadborrowed.Don’tyouhaveafriendwhomightlendyousomejewellery? |
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