I listen I listened I am listening I was listeningI have listened I had listened I will listen I would listen I have been listeningI will be listeningI would be listening请问哪个是过去将来时？I would listenI listen 一般现在I listened 一般过去I am listening 现在进行I was listening过去进行I have listened 现在完成I had listened 过去完成I will listen 一般将来I would listen 过去将来I have been listening现在完成进行I will be listening一般将来进行I would be listening过去将来进行