must.should.can...need的区别,各什么时候用.越仔细越好

should、might、must、can的区别 must,can,should,need有什么区别 can ,may ,must ,should的意思 Need,can,must,should的区别? should,must,can,may,shall,could,might的用法 must,can,may ,should,would,need和shall的区别 情态动词can、must、may、should、need的用法 can may must should have to need 的区别 情态动词must,can,should等咋区别啊? 用情态动词填空,can may must should. can not must not should not ...虚拟语气+not must should could can may表示推测时有什么区别? must may should can区别 各翻译成什么 should,must,have to,need,can的用法区别should,must,have to,need,can的用法区别是什么啊? The poor boy ____ the test again; in that case,his mother will be very disappointed.a.must have failed B.might fail C.could have failed D.should fail9.--- Why ____ it rain now?I ___ go to the concert at 7.--- What a pity!A.can; might not B.should; ne You must come back every month.Yes,I ( ).选 will,must,should ,can,为什么, -you must ome back every month -yes,i_ a;will b;must c;should d;can 用must,could,can,can't回答的句子应用什么疑问词提问?貌似must要用should提问...