为“可能不”。注意区分“不可能”与“可能不”在把握性大小上的差异。如MrWa
gmayk
owProfessorLi’stelepho
e
umber王先生也许知道李教授的电话号码。ThismightbethekeyTomhasbee
looki
gfor这可能就是汤姆一直在找的钥匙。Shemay
otbetheretoday今天她可能不在那儿。
二、典型例题【中考链接】
（）1．Whoisthema
overthereIsitMrLi
Noit______behimMrLiismuchtaller
Amust
’t
Bmay
o
Cca
’t
（）2．MustIgowiththemtomorrow？
No，you______
D
eed
’t
Amust
t
Bshould
t
C
eed
t
Dca
t
4
f（）3．______Itakesomephotosi
thehall
Noyou______
ACa
eed
’tBMustmust
’tCCouldwo
’tDMaymust
’t
（）4．DadmustIfi
ishmyhomeworktoday
Noyou________Youmaydoittomorrow
A
eed
’t
Bmust
’t
Cdo
’t
Dwo
’t
（）5．ThelakeissaidtobedryIsthattrue
It_______Looksomekidsareswimmi
gi
it
Amustbetrue
Bca
’tbetrue
Cmay
otbetrue
（）6．Whatisyourmothergoi
gtodothisSaturday
I’m
otsureShe_____gotoseemygra
dmother
Aca

Bmust
Cmay
（）7．Susa
hasboughtalargehousewithaswimmi
gpool
It______beveryexpe
siveI
evereve
dreamaboutit
Amust
Bmight
Cca
’t
Dshould
’t
（）8．Liste
IsProfessorJoh
so
givi
gareporti
thehall
Noit
behimHehasgo
etoJapa

A
eed
’t
Bmay
ot
Cmust
’t
（）9．Let’sgototheWestHillParkbytaxi
Dca
’t
Ohitis
otfarawayfromhereWe_______takeataxi
Acould
’t
Bmust
’t
C
eed
’t
Dca
’t
（）10．Ca
youplaythepia
o
YesI_______Iofte
practiceito
weeke
ds
A
eed
’t
B
eed
Cca
’t
Dca

三、课后练习
一、用ca
maymust
eedhavetohadbetter的适当形式填空：1You________________retur
thelibrarybooko
time2I______________
otfi
dthewaytothehospital_______________youshowmetheway3________________Ifi
ishtheworkright
ow
Noyou________________
otYou____________doitlater4Hesaidhe________________
otcometo
ight5HermotherwasillShe________________stayathomea
dlookafterher6It’stimeforclassYou________________stopplayi
gfootballoryou__________belateforclass7We________________startright
owortheywouldgettherefirst8Thecloudislifti
gsoit________________
otbearai
ydaytomorrow
二、选择填空
（）1Dowehavetofi
ishourhomeworkthisafter
oo

Yesyou________
Amust
Bca

Cmay
D
eed
（）2MustIbei
hospitalforaweek，Doctor
5
fNo，youYouca
gobackhometomorrow
Amust
’t
B
eed
’t
Cmust
（）3Thedeskis
otdirr