might、may,could和must 表猜测的区别?

might、may,could和must 表猜测的区别? 在表推测时must may could might的区别和can not、could not、may not、might can、could、may 、might、must、ought 的区别和用法 must might could can't表猜测的用法 can,might,may,could,must的用法 can may must表猜测时的区别 情态动词can could might may 的用法和区别 may,might,can,could的四个区别.must‘t,can’t的区别. may have done sth 和might be 都是表示对过去的猜测 有什么区别? might,may,can,must的区别 must have+P.P 与may,might could have +p.p的区别 shall should may might can could must虚拟语气的用法与区别比较