proszę o sprawdzenie.

David is a 38 years old man. Today he is one of the richest residents of USA. But not always was that. David must surmount many adversity to reach to the point where he is now.
A few years ago David was a unemployed. He has wife and two little children. He use with a free food often, because a money that he got from a dole didn't go round. David lived modestly. He haven't central heafing. That is very impede life from him and his family. However in David was something wonderful - he has a hobby, that quikly got his passion. David was a master of making rag dolls. Sometimes he was sell it an the street, because in enjoyed big interest. Some day some man go in for his hobby. The man names Adam. He was dressed in suit, he looked at the rich man.Adam was suggested him cooperation. He told David that is willing to invest in his rag dolls. David immediately agreed. He feld that his dreams of better life come true. A few monts ago David with Adam opened a small shop. From the beginning they have a best-selling. With time their activity diversifed. David's dolls selled fabulous around the world. david earned on them thousands.
After 3 years of activity David changed their lifes completely. Now he lives in a big and beautiful house. He is rich and happy.

Today he is one of the richest residents of (przedimek) USA. But 'not always was that' (tutaj masz pomieszane-i napewno slowo w slowo z polskiego, ...napisz..that was not always the case). David 'must' (zle slowo) surmount many 'adversity' (l. mnoga) to reach 'to' (niepotr) the point where he is now.
A few years ago David was 'a' (niepotr) unemployed. He 'has' (has teraz czy 'had' kiedys?) wife and two little children. He 'use with a free food often' (tego ne rozumiem) , because 'a' (po co ty to 'a' wkladasz wszedzie?) money that he got from a dole didn't go round.
He 'haven't' (NIE!, tutaj po ang...did not have) central 'heafing' (ortog). That' is very impede life' (napisz to po ang) 'from' (od niego? popraw) him and his family. However 'in David was something wonderful' (napisz to inaczej in David there was ...) - he has a hobby, that 'quikly' (ortog) got his passion. David was a master 'of' AT making rag dolls. Sometimes he 'was sell it' (popraw) 'an' (zle slowo) the street, because (ale co?) 'in' (zle slowo) enjoyed big interest. 'Some' ONE day some man 'go in for his hobby' (nie rozumiem). The man 'names' (zle slowo i brakuje czasownika) Adam. He was dressed in (przedimek) suit, he looked 'at' (zle slowo) 'the' (zle slowo) rich man.Adam 'was' (po co to was- to znaczy 'bylem') suggested (tu cos brak) him cooperation. He told David that (ale kto? napisz) is willing to invest in his rag dolls.
He 'feld' (ortog) that his dreams of better life (modal) come true. A few 'monts' (ortog) ago David 'with' AND Adam opened a small shop. From the beginning they 'have' (zly czas) a best-selling (ale co?) .
David's dolls 'selled' (ortog) fabulous (ale co?) around the world. David earned 'on them thousands' (zla kol slow).
After 3 years of activity David changed 'their lifes' (ale nie wiem o kim mowa 'their') completely.

He use of free food often.
That was very difficult life for him and his family.
Sometimes he sold them on the street, because they enjoyed big interest.
One day some man interested in his hobby.
The man's name was Adam.
Adam suggested to him cooperation.
He felt that his dreams of better life came true.
From the beginning they had a best-selling rag dolls (?)
David's dolls sold fantastically around the world.
David earned thousands on them.
After 3 years of activity David changed his lifes completely.