英语题（根据首句提示，改写下面的短文。注意括号部分动词的变化。

Yesterday was Saturday.I ate breakfast at eight o' clock.Then I went to the park.I saw many old men in the park.They were playing Taijiquan.At about ten o'clock I went home and did my homework.I had lunch at twelve o'clock.

Yesterday was Saturday.I have planed what to do today.I would eat breakfast at eight o' clock.Then I would go to the park.I think I would see many old men in the park.They would be playing Taijiquan.At about ten o'clock I would go home and do my homework.I would have lunch at twelve o'clock.