一般现在: she likes walking 一般过去时:he was her boyfriend 现在进行时: i am answering your questions 过去进行时:he was cooking when he heard the cry 一般将来时:she will love you always 过去将来时: he would go to New York then 现在完成时: i have all my homework done. 过去完成时: they had left when she was back