问一下may,can,must,could提问时该怎么回答?

问一下may,can,must,could提问时该怎么回答? 情态动词：can may must的用法情态动词：can may must麻烦大家帮忙详细讲一下 can may must 区别是什么? can may must 过去式是什么 分析一下can may must could might could have分析一下can may must could might could have done might have done等 请问一下情态动词can,may,must,have to,need的用法 ( )I visit Lucy on Sunday,Mum?——Yes,you( ) 除了填can ,can之外,还能填什么?选项有 A.Must can B.May may C.Need need D.May need答案上选B,能不能给讲一下为什么选B,为什么不选C,还有 这类题,用这些情态动词的问 might,may,can,must的区别 can,might,may,could,must的用法 can,might,may,could,must的用法 must,need,can,may的否定式? 可能性可能性从小到大must may can can ,may ,must ,should的意思 can be.must be区别may be can、must may would四个的区别, can,may和must的区别是? 助动词：can ,may .must的基本用法! Must 和Can't 的疑问-Must I renew the magazine now?-No,you_______.you ____that before the deadline.a.mustn't should do b.needn't should have donec.may not should do d.can't ,should have done 我想问一下为什么答案是D,must的问句不是