一般现在时:she goes to school by bus 现在进行时:i am watching tv now 一般过去时:he went to the zoo 一般将来时:i am going to be a teacher 现在完成时:i have not watered the flowers yet 过去完成时they had hoped to be able to arrive before ten 过去进行时people couldn't were useing some money to get any love 过去将来时I didn't know if he was going to come