what am I suppose to do 为什么惯用suppose?

What am I suppose to do without you正确吗? what I suppose to be 还有 what I suppose to do . What am I suppose to do when the best part of me was always i am not sure you suppose to what is your suppose to do? i suppose i'll have to ask someone else to do it.i am afraid i do not suppose suppose to do 有suppose to do What am I suppose to be doing?的句式结构是怎样的? What do you suppose _____ what do you suppose _______to him?为什么是has happened不是to happe