should、might、must、can的区别
人气：361 ℃ 时间：2019-10-11 02:26:57
解答
①表示“必需”“一定”“必要性”1.must表主观上的必需,而have to表职责或义务,强调客观.2.need作为情态动词用于疑问句或否定句.Need you……?的答句是Yes,I must.或No,I needn't(don't have to)对问句表示有必要做...
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