经典例题
例1—Mum,I've been studying English since 8 o'clock._________ I go out and play with Tom for a while?
—No,I'm afraid not.Besides,it's raining outside now.
A.Can't B.Wouldn't C.May not D.Won't
思路解析：考查情态动词在语境中的运用。can't用在此句中表示请求，“难道我不能……？”may也可以表示请求，但may not不能表达此意；B、C两项没有请求用法。答案为A。
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绿色通道：情态动词第一人称表示请求的形式主要有：Can I...? Shall I...? May I...? Can't I...? 等。情态动词的考查，关键是具体的语言环境和情态动词的词义。
Time and tide wait for no man.时间不等人。
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例2 The No.1 bus can _____________ to the hospital.
A.take you B.bring you C.takes you D.brings you
