Need,can,must,should的区别?

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/11/08 04:35:27

如果是在情态动词的用法中,
can表客观可能性、能力、允许,怀疑（在否定句和疑问句中）；表提出问题和看法.
must表主观上的义务,表肯定推测,也表“偏偏”之意.
should表劝告、义务、建议,也表可能或是推测,还表说话人的感情,如,不满、失望、惊奇等.need to do（主动式）表有意识的行为.need to do（被动式）或need doing 表无意识动作.
觉得好的请采纳,

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