have you seen john today 和Do you see john today 有什么区别?

have you seen john today 和Do you see john today 有什么区别?
have you seen john today 和Do you see john today 有什么区别?

have you seen john today 和Do you see john today 有什么区别?
第一句是到说话时为止已经完成
第二句是不好,你今天见到约翰吗?不好用一般现在时的,今天不是经常.