I took a pregnancy test and it came out negative, how come it came out negative if they say the more pills u miss u can get pregnant, but I didn't?

What are your goals? It sounds as though you were wanting to be pregnant. If so then there is no reason to be taking birth control. Missing pills makes pregnancy more likely than taking them correctly but still less likely than someone who is not on them at all. If you do not want to be pregnant consider changing birth control methods to something you do not have to do every day like an IUD.