拌和站数据监控系统:could might

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could have done
might have done
在表示本有可能做某事时候有什么区别

情态动词加过去完成时常常表示主观感情上的后悔之义,主要区别在于后悔的那种情绪哪个更严重.当然could have done表达更后悔.

could might can,could,may,might之间的区别？ should,would,could,must,might,may,can 请问can和could、may和might有什么区别 will would ; shall should ; can could ; must need ; may might 一般来说，是不是虚拟语态中的can，may都用could，might？ could/might/may/would/must/should have+过去分词 may might ...... might-magic icewind some might say