I was under F1 from Aug 2002-May2007, OPT from June 2007 to Sep 2007 and now on H1-B from Oct 2007. I am married and my wife's status changed from F2 to H4. My questions are,
1. Am I considered as a dual-status(resident alien from Jan to Sep and non-resident alien from Oct to Dec)?

2. Which forms should I use?

3. Can I jointly file with my wife?

Your help is appreciated

1) You are a resident alien. The five year exemption that comes with the F-1 visa expired for you on 31 December 2006.

2) Form 1040, 1040A or 1040EZ.

3) Yes.