动词的时态
姓名： 班别： 成绩：
一、我们学过时态有三种：
补充说明：
★在can，may，must；do，does，did；help，let, to……等词的
后面用动词的原形。
★句子的时间改变，动词的形式也随之改变。如：
I worked very hard I very hard
二、选择填空：
( )1. Look! LiPing and Li Ying ________ basketball now.
A. play B. played C. are playing D. will play
( )2. What did you do last night?
I did my homework and _______TV.