I like this girl but i know shes gone for good?

well i have to say it startd like 3 to 4 years ago she like me so much idk y im just a guy no one cool but in her eyes i was n for sum reason i couldnt see it tho one night out of the blue she was at my friends house n i happen to show up there it was cool she good lookn im not goin to lie i was shy shy i was 18 and never been with any girl but she wantd me so that night was alsome but i took all my friends adv.hit it and leave it two years go by its my last year at school she tlks to me we hit it off like its the first time we ever meet things were goin great but she lied to me and went to this party last year n when she did she got rapped well alot was goin on the cops showd up i was scared shitless i didnt know wat to do i just up n left n now i wish every day i never left how do i get her to even tlk to me