下面的英语句子有错误吗?该怎么改?

题目

下面的英语句子有错误吗?该怎么改?
1、He travels all day and all night.He never stop,never tired.
2、He never stop,he never tired.
3、This are some water in the glass.
更改时，请说一下原因和理由可以吗？

答案

1、He travelled all day and all night.He never stopped,and he was never tired.
2、He never stops,and he is never tired.
3、There is some water in the glass.