Correção de texto: Writting skills

Well, my name is roger lourenço, i'm from santa catarina - brazil, i'm doing a english course but also studying much things by myself, because i wanna be a english teacher, i concerned that my writting skills is awful, i discovered this site throught a english teacher and he recommended this site, i have much problems when i need to write some words which i don't konw how to writte, i ought to pratice more and improve it, and this is that i'm doing, thank you guys.
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Well, my name is Roger Lourenço, I'm from Santa Catarina - Brazil,I'm taking an English course but also studying many things by myself, because I wanna become an English teacher. However, I'm concerned that my writting skills are awful. I discovered found out this site throught an English teacher who recommended this site it. I have many problems when I need to write some words which I don't know how to writte spell, I ought to pratice more and improve it, and this is that what I'm doing, thank you guys.