can may must should have to need 的区别

can may must should have to need 的区别 should,must,have to,need,can的用法区别 should must need have to 的区别 must,can,may ,should,would,need和shall的区别 may,must,can,should的区别 Need,can,must,should的区别? must need should can的区别 can,must,have to,should,may,could,might有语态上有什么区别,怎么区别 情态动词can、must、may、should、need的用法 can,may,should,have to,need有什么差别? 1.can 2.could 3.may 4.might 5.should 6.need 7.must 8.have to 选用can(not),must(not),should(not),have to,may