well i want to write a paragraph without mistakes would you please give me a subject and i'll talk about it and then you can correct it for me i have an exam that week so i'm waiting for your answer thank you.

That is a paragraph.

I want to write a paragraph without mistakes. Would you please give me a subject and I will write about it. Then you can correct it for me. I have an examination next week so I am waiting for your reply. Thank you.

Here are a lot of ideas for paragraph topics:

http://grammar.about.com/od/topicsuggestions/a/causeff07topics.htm

After you write your paragraph, be sure to proofread it. Then, post it and someone will be glad to critique it.

advantage of math

math is scienc subject it plays very important role in every subject even every science subject is incomplete without maths these science subject comes after maths maths subject
adventure of these subject maths is

Certainly! Let's talk about "The Importance of Exercise." You can write a paragraph about why exercise is important for physical and mental well-being. Once you finish, I'll be happy to help you correct it. Good luck with your exam!