can,could和will,would的用法以及区别

can,could和will,would的用法以及区别 Will would; shall should ;can could区别和用法 请问can could may might will would等的具体区别和用法最好别复制, would will can could表示 能 可以 时的区别 什么时候用would you.will you,can you,could you! if you could go anywhere what would you go 这个句子 为什么不用原型 can 和 will? will,would,shall,should,can,could,.什么时候加be,什么时候不加..那...it will be done,和 i will be back,,这是动词,,,那为什么加, could和can时态问题Could you tell me when they ------leave Beijing.是填would还是will?求详解,说明另一个不可行的理由! can和could,should,would等词语的用法区别? 情态动词造句can (could),may (might),must shall (should,will (would) need should must can could will would may might情态动词造句拜托了··· will,would,shall,should,can,could,.什么时候加be,什么时候不加.. can could用法就是用法,可以的话,顺便讲一下will would用法 Will would can could后用动词原型 (to可以用吗 什么时候用:I have/has/had.I can/could.I will/would...然后解答一下什么是比直接引语和宾语从句 最好举个例子说说 could would can will表可能性有什么区别呢the bus____ seat 50 people.A.will B.would C.could D.canwill和would不是也可以作为可能性吗，而且can好像不可以用于肯定句，如果用的话只能表示理论上的可能性， 求情态动词CAN COULD,WILL WOULD的用法一般在口语中I CAN DO THAT FOR U和I COULD DO THAT FOR U在两句基本意思差不多的情况下是不是CAN表达的情绪要强烈些?同样还有WILL和WOULD请大人们把口语中的实际用法 shall,must,will,would,can,could,委婉程度怎么样,是不是用can最委婉,那shall呢