Why not ____(come)and tell me?

Why not ____(come)and tell me? Can you tell me why you did not come 可以改成Can you tell me why Why don't you come and sit next to me=You ____ ____ come and tell me why and answer why not love me please tell me . OH,And could you tell me why?Not why 有木有语法错误 Why can not tell me you thinks~ Why ＿ not [come] with me? why have you not come to me Why ____ come and join us?A.don't B.not you C.not to D.not translate it and tell me why tell me why ,and translate it