It doesn’t matter what she was then, it matters what she is now.  If she is single or divorced, the she is F1 (NOT F2B - parent is a USC) and is current. (If she is married then she is F3 and not current, but a spouse has not been mentioned anywhere.) Not sure what you are reading but F1 in June is current for priority dates before 1 Nov 2014, OP says the petition was filed 2012.   FYI the only time what she was before would matter would be if she had a F2 petition (child/son/daughter