can i,must i,i can,i must的区别

问题描述:

can i,must i,i can,i must的区别

can:能够、会.must:必须,不得不.
can i,must i都是作为疑问句用来提问的.can i……?我能……吗?must i……?我必须……吗?
i can:我能够/会…….i must:我必须/不得不…….