Will my girlfriend have sex with me?

well ive been dating my girl for nearly a year and well one day we were at the park we were on the swings kissing and it started to rain so i said well my parents are not home so we go back to my place ...we were on my bed watching a movie and we started kissing and well i got super horny,i didn't get a ***** or anything and when she had to get home i slammed her back on the bed and started to kiss her everywhere i just couldn't stop...she kinda liked it but when i started to pull down her pants she started to cry and i was like ohh ive done something well she ran home and i ran after her but she was too fast :( and i lost contact with her for about a week and after i tracked her down at school i pushed her into the toilet and she told me her brother like touched her sometime s and it made her scared ...well i beat up her brother and ive fingered her but i want to know if she will have sex with me ?? but shes pretty scared :'( PLEASE HELP!!