Can you tell me when will he come back可以 而Can you tell me wh

Can you tell me when will he come back可以 而Can you tell me wh can you tell me when you will come back和can you Can you tell me what time he usually___(come)back? tell me when he will come back Can you tell me what does he look like .还是can you tell me wh can you tell me if you（ will come） to my party?when you （com Can you tell me why you did not come 可以改成Can you tell me why Can you tell me ( ) Can you tell me when I will attend the meeting? Can you tell me when the train will there? 为什么是“Can you tell me when he bought the car"而不是"Can you tell Can you tell me when he arrives?可不可以用reaches