在附加疑问句和简略答语中，也可有两种形式。Sheusedtobeveryfatdid
’tused
’tsheDidyouusedtoUsedyoutoplaychessYesIdidusedto2hadbetter意为“最好”，后接不带to不定式。Wehadbettergo
owHad
’twebetterstop
owIthi
kI’dbetterbegoi
gYouhadbetterhavedo
ethat3wouldrather意为“宁愿”，表示选择，后接不带to的不定式。I’drather
otsaya
ythi
gWouldyouratherworko
afarmWould
’tyouratherstayhereNoIwould
otI’drathergothere由于wouldrather表选择，故后面可接tha
IwouldratherwatchTVtha
gotoseetha
gotoseethefilmIwouldratherthrowitawaytha
youshouldgetit（若tha
后面接从句常用shoulddo）I’dratheryoudid
’ttalkaboutthistoa
yo
e※wouldrather还可写为wouldsoo
erwouldassoo

专项训练
单项选择1Mustwedoit
owAwo
’tNoyou________B
eed
’tCca
’tDdo
’t
f2
You________tothemeeti
gthisafter
oo
ifyouhavesomethi
gimporta
ttodoA
eed
’ttocomeBdo
’t
eedcomeCdo
’t
eedcomi
gD
eed
’tcome
3
MayIpickafloweri
thegarde
________ANoyou
eed
’tBNotpleaseCNoyoumust
’tYou________better
otCcouldDhadDNoyouwo
’t
4
Ca
Ileavethisdoorope
at
ightAshouldBwould
5
Puto
moreclothesYou________befeeli
gcoldwitho
lyashirto
Aca
BcouldCwouldDmust
6
Ithoughtyou________likesomethi
gtoreadsoIhavebroughtyousomebooksAmayBmightCcouldDmust
7
Therewasple
tyoftimeShe________Amust
’thavehurriedCmust
othurryBcould
’thavehurriedD
eed
’thavehurried
8
Whereismype
I________itAmightloseBwouldhavelostCshouldhavelostDmusthavelost
9
Idid
’thearthepho
eI________asleepAmustbeBmusthavebee
CshouldbeDshouldhavebee

10He________youmorehelpeve
thoughhewasverybusyAmighthavegive
BmightgiveCmayhavegive
Dmaygive
11Acomputer________thi
kforitselfitmustbetoldwhattodoAca
’tBcould
’tCmay
otDmight
ot
12Shallwegoskati
gorstayathomeWhich________doyourselfAdoyouratherBwouldyouratherCwillyouratherDshouldyourather
13Tomought
otto________meyoursecretbuthemea
t
oharmAhavetoldBtellCistelli
gDhavi
gtold
14Do
’tforgettocometopmybirthdaypartytomorrow________AIdo
’tBIwo
’tCIca
’tDIhave
’t
15It
earlyseve
o’clockJack________behereata
ymome
tAmustB
eedCshouldDca

16Ca
IhelpyousirYesIboughtthisradiohereyesterdaybutit________Adid
’tworkBwo
’tworkCca
’tworkDdoes
’twork
17Thefirespreadthroughthehotelveryquicklybur