4、有很个别是要双写最后一个字母再加ed的。　 如：shop-shopped

3、以辅音字母+y结尾的动词，把y改成i, 再加ed.

　 如：carry--carried

2、以e结尾的动词，在动词后直接加d.　 如：use-used

方法：

1、在动词后直接加ed.　 如：clean-cleaned

8、Look!　 Jim and Tom 　　　　　　　(run) there.

7、What does your father ______ (do)?　 He’s a worker.

6、Tom and Tony can’t 　　　　　(swim).

5、She usually 　　　　　(do) her homework in the evening.

4、It’s eight o’clock now.　 The boys 　　　　　　(watch) TV.

3、Yesterday afternoon they 　　　　　(play) football with their English teacher.