帮我翻译和修改一下,谢谢

Question

1.My favourite sport
My facourite sport is swim. I used the summer holiday learnt swim with my friends.
I thing swim is an useful sport. It can exercised our body,also can help ourself in the river,sea or some dangerous place. When I saw some people in dangerous,I can help them.

Answer 1

1.我最喜爱体育运动
我最喜爱运动是游泳。我利用暑假学习游泳的朋友。
我觉得游泳是一项有益的体育运动。它可以运用我们的身体，也可以帮助自行在河，海或一些危险的地方。当我看到有些人在危险，我可以帮助他们。

第一句 favourite 打错了
第二段的 应该是think 以及a useful sport
u 的音标是[ju:],而[j]是辅音，因此是辅音开头，所以用 a

Answer 2

My facourite sport is swim. I spent the summer holiday on learning swim with my friends.
I think swim is a useful sport. It can strengthened our body and help ourselves in the river,sea or other dangerous places. When I saw some people in danger,I can help them too.
我最喜欢的运动是游泳。暑假我和朋友一起学游泳。
我认为有用是一项有用的运动。它能锻炼我们的身体，而且能让我们在河里海里或者其他一些危险的地方可以自救
而且我也能在别人遇到危险时帮助他们

Answer 3

My favourite sport is swimming.I learned it with my friendsduring my summer holiday.
I think swimming is an useful sport.It can build our body,also,when we are dangerous in the river,sea it can be helpful.Of course when someone is asking for help,I can help them!
中文：我最喜爱的运动是游泳。这个暑假我和朋友门一起学习游泳。我认为游泳是一项非常有用的运动，它可以锻炼我没的身体，在江河里可以避免危险。而且当我看到有人掉进水里我就可以去救他们。