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最佳答案：没有这种用法,多数用“No,you can't.”而且用“may”提问表示你们俩并不很熟,很礼节性.所以否定也要稍微委婉一些,比如“I'm afraid not
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最佳答案：否定may用can't或mustn't肯定用can回答
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最佳答案：mustn'tMust才用needn't
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最佳答案：need /needn'tmust /mustn'tmay /may not
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最佳答案：yes,you can./no,you can't.yes,you must./no,you needn't.yes,you need(must)./no,yo
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最佳答案：肯定回答 否定回答can can can'tcould can can'tmay can/may may not/ mustn'tmight can/might
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最佳答案：1.May I的回答一般用Yes,you can.或No,you can't.2.success successful succeeda success一个成功
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最佳答案：用 no,you can't