I listen I listened I am listening I was listening I have listened I had listened I will listen I would listen I have been listening I will be listening I would be listening
I would listen I 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
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