I think you should improve your English ability .you make so many mistakes in your artical帮我翻译一下

I think you should improve your English ability .you make so many mistakes in your artical帮我翻译一下
I think you should improve your English ability .you make so many mistakes in your artical
帮我翻译一下 

I think you should improve your English ability .you make so many mistakes in your artical帮我翻译一下
我认为你应当提高你的英语能力.你在你的文章中出了这么多的差错.