First notebook entry: Introducing myself

I am learning English because I am studying in the United States. I want to speak English fluently.

My native language is Spanish and I grew up in Venezuela.

I love playing soccer and meeting new people from different countries.

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My native language is Spanish - This is correct, but it's more common to hear: I speak Spanish

For example:

What is your native language?

My native language is Spanish - Here you can use this because some specifically asked you what your native language is.

I grew up in Venezuela - This is correct too, but you could also use:

I was born and raised in Venezuela (or just) I was born in Venezuela

We always use "the" before "United States": The United States (of America), The USA

Also, we always capitalize the letter "i" and the first letter for countries, languages, people, days of the week, etc. Examples:

(V)enezuela

(S)panish

(R)aul

(M)onday

(I)'m

(I)'ll

(I)'d

First notebook entry: Introducing myself

I am learning English because I am studying in the United States and want to speak it fluently. 

My native language is Spanish and I grew up in Venezuela. 

I love playing soccer and meeting new people from different countries.