could you tell me when he would/will arrive?

could you tell me when he would/will arrive? Could you tell me when the next train will arrive? Could you please tell me when he will come 为什么用will而不是would Could you tell me when the next train will arrive?Could那个不是过 句型转换,When does the train arrive could you tell me?回答,Could y Could you tell me___?A.when the train will arrive B.when the could you tell me when Mr.Smith returens/will return Could you tell me when the train will leave -Could you tell me when ----? Could you tell me when will the film start还是could you tell m Can you tell me when you will arrive in Beijing?改为同义句Can you can you tell me when they will arrive同义句转换can you tell me———