语气强；把握大）
注意must
’t只有禁止的意思，不能表推测。其中最常考的是must和ca
’tmay也有出现，一般会有Iam
otsure提示。
f2表“必要性”的情态动词对比must
eed
t3特殊回答总结情态动词用must问用
eed问用may问用could表示温婉请求肯定mustmustmayca
ca
may否定
eed
’tdo
’thaveto
eed
’tdo
’thavetoca
’tmust
’tca
’tmust
’t必须不必do
thaveto
四、课下练习1一Jack______yourideabikeYes1ca
Aca
BmayC
eedDmust2MustIwatertheflowers
owmumNoyouYou______doitlaterAmust
’tmustBmust
’tmayC
eed
’tmayD
eed
’tmust3Ik
owbywhattimeyouwa
ttheprojecttobedo
eBythedayaftertomorrowyoufi
ishito
timeAMayCa
BMustNeedCCouldMustDNeedWould4Who’ssi
gi
gi
thegarde
ItbeMrBrow
Healwayspracticessi
gi
gatthistimeAmustBca
’tC
eed5I______followyouWouldyoupleaserepeatitAca
’tBmust
’tC
eed
’tDshould
’t6MustIha
di
myhomework
owMrSmithNoyou_______Aca
’tBshould
’tCwould
’tD
eed
’t7ExcusememayIkeepthebookalittlelo
gerSorryYou________retur
ittodayAmustBmust
’tCca
Dca
’t8Isthema
overthereMrBrow
It______himHehasgo
etoBraziltowatchthe2014FIFAWorldCupAmay
otBca
’tbeCshould
’tDmust
’t9Childre
_______siti
thefro
tseatofacarIt’stooda
gerousA
eedB
eed
’tCmustDmust
’t10Iforgottobri
gmydictio
aryCouldIuseyoursYesyou______Aca
BmustCcouldDshould11Thema
isfeeli
gmuchbetter
owsoyou______calladoctorA
eed
’tBca
’tCmust
’tDshould
’t
f12Ifyou_____smokepleasegooutsideAca
BmayCmustDmight13Afteryoureadthearticle“Whyfastfoodisslowlykilli
gyou”you_____stopeati
gfastfoodAca
BmayChavetoDshould14Lookatthe“Noparki
g”sig
You_____parkyourcarhereAshouldBmustC
eed
’tDmust
’t15We______paytogeti
totheco
certItsfreeAca
’tBmust
’tCmight
otDdo
’thaveto16MayItakethismagazi
eoutofthereadi
groomNoyou_______Youreaditi
hereAmight
’tBwo
’tC
eed
’tDmust
’t17_______youleave
owYouo
lyarrivedherea
houragoSorrybutsomuchhomeworkiswaiti
gformeAMayBMustCCa
DMight参考答案：15ACAAA610DABDA1115ACBDD
1617DB
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