i'v seen HAS play several times this season为什么一开始用现在完成时而后来用一般现在时

i'v seen HAS play several times this season为什么一开始用现在完成时而后来用一般现在时 neither i nor he has seen the has seen可以改成hasn‘t seen吗?为什么 Not only he but also I----seen the play A has ever B have ever C has already D have already 求英语翻译：Swear I seen you before I think I remember tho se eyes I have seen the play.改成I have saw the play. I see him play every day 改被动句He is seen to play by___every day. He has seen this play three days ago这个句子哪错了?效率效率! has seen与has been seen Yesterday I didn't go to see the movie,because I -----it.是has seen 还是had seen. she has ever seen. I have never seen such a good film.---Neither has my friend---Neither my friend has i've already seen the new play at 'the globe' 主要是不知道the new play at如何理解 There is the most （）（bore） play I have ever seen怎么变! He is I has seen the best female Girl I love her 英语选择Guess who I ___ at the party last night.A.has seen B.saw C.seen D.have seen 2.“Have you seen the film?” he asked me.→He asked me _______.A.had I seen the film B.have I seen the film C.if I have seen the film D.whether I had se en the film 为什么选D,C为什么不可以 I don not know.He ___ around here for a long time.a/ has not seen b/ has not been seen 原因What happened to the postman? 英语翻译标题：Love you silly 内容：Have you ever play the piano has to stay in my room I will try to sense your touch it You said those words still remain in my heart I will get better but I miss you If you have seen look like heaven Is not