你去过几次上海？英语怎么说？

问题描述：

how many times do you go to shanghai?
对吗？

问题解答：

How many times have you been to Shanghai?
去过，是完成的动作，用完成时have

how many times have been to Shanghai?

how many times have you been to Shanghai

How mant times have you been in Shanghai?

How many times have you visited Shanghai?

How many times have you been to Shanghai?

因为是问去过几次,所以要用完成时.