could you tell me when the bus will leave?为什么要will.

could you tell me when the bus will leave?为什么要will. Could you tell me when the train will leave Could you tell me when___?A.the bus will leave B.will the bu could you tell me when the train leaves?这里为什么不用will leave,为什 Could you tell me the time?When will they leave Beijing?用whe Could you tell me when the next train will arrive? Could you tell me---?A.when will they leave Beijing.B.when c could you tell me when the train will leave 这是一个宾语从句吗?还有就是我想 Could you tell me when will the film start还是could you tell m tell ,you ,when,leave ,we ,could ,me ,will(连词成句) Could you please tell me when he will come 为什么用will而不是would Could you tell me when____? A.does the train leave B.will th