Could you please tell me when he will come 为什么用will而不是would

Could you please tell me when he will come 为什么用will而不是would could you tell me when he would/will arrive? could you tell me that he will come here soon这句话为什么错? ---could you tell us( )he will come? tell me when he will come back Can you tell me when will he come back可以 而Can you tell me wh I will tell you when he will come back could you tell me when the bus will leave?为什么要will. could you please tell me when we will meet?【改为同意句】 Would you please tell me-----?A.when did he come home B.wher 宾语从句的选择题1.Would you please tell me ----?A.when did he come h please tell me if he will come是什么从句