My classmate andres lives and works in New York.
He has been here for eight years.
He plants to stay in New York a long time.
He worries every day about problems in New York his family.
Last year he and his family went to equadore for vacation .
Before he came to lived in equadore.
His goal is to finish his college then he make good Carrier.
If he were Obama , he would make more work facility.

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correction:

My classmate andres lives and works in New York.

-My classmate Andres lives in works in New York. 

He has been here for eight years. (correct)

He plants to stay in New York a long time.

-He plans to stay in New York a long time. 

He worries every day about problems in New York his family.

-He worries every day about problems in New York involving his family. 

Last year he and his family went to equadore for vacation .

(Ecuador should be begin with a capital letter)

Before he came to lived in equadore.

-Before he came to New York, he had lived in Ecuador. 

His goal is to finish his college then he make good Carrier.

-His goal is to finish his college, then to make a good career. 

If he were Obama , he would make more work facility.   

-If he were Obama, he would make more work facilities ("more" comes before a plural noun)