问题标题:
need,may,must引导的问句(作情态动词),肯定和否定分别是什么?
问题描述:
need,may,must引导的问句(作情态动词),肯定和否定分别是什么?
范新南回答:
must-Yes,youshould./No,youneedn't.need-Yes,youshould/may/can/need./No.youneedn't/musn't.may-Yes,youmay/can./No,youmusn't/can't.
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