英语作文变过去式，作文在补充说明哪里。
One day, sima guang called some children to play hide and seek in the backyard. A friend want to climb into the cylinder inside but he didn't know there are water in cylinder, the children listen to help is very afraid, only sima guang not fear was smart to go to take the stone to hit cylinder, out of the water flow out of the children. Everyone stopped crying and played happily. Later, people praised sima guang's cleverness.
One day, sima guang called some children to play hide and seek in the backyard. A friend wanted to climb into the cylinder inside but he didn't know there are water in cylinder, the children listened to help was very afraid, only sima guang not fear was smart to go to take the stone to hit cylinder, out of the water flowed out of the children. Everyone stopped crying and played happily. Later, people praised sima guang's cleverness.
变过去式即将作文中的动词，助动词都变成过去式，除了to do等固定搭配中动词形式不改变
这个我完全不会，看得头都大了。
- 就是改写句型，都改成过去时态就可以了
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