My first note

It's my first note and I don't know what to write. Well, I am a beginner in the English language. I am sorry for my mistakes. I am a little nervous because this is my first experience. I live in Realeza City in the south of Brazil. I work at a Federal University. I am twenty-four and, in my free time, I like play video games on my PC.

Hi Cleberson!, welcome! =) ...

Well, I 'm not native English speaker neither, but I'll try to do my best to help you! so, let's correct your entry:

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My first note:

Its This is my first note and i don't know what  writherto write / to write about. Well, I am beginner in the english language. i am Sorry for my mistakes. I am a little nervous, because this is my first experience. i am live in (or: I'm living in ....) Realeza City, in south of Brazil. I work in a Federal University. I am twenty-four years old (it isn't necessary, but I think that sounds better haha) and, in my free time, i like play playing video games in my PC.

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Good start!.

I hope this will be helpful, 

Bye!