I want to know if i can get citizenship with my 2 year conditional green card?

i was married in jamaica in august 2007 and come to the us july 2009 and went for my biometric in september receive a two year conditional green card because i come to the us two weeks b4 the 2 year anniversary but next year august 2010 will be 3 years now we are married can i apply for my citizenship that time am curios please help me