I was a J1 visa holder for 2009 and I have already filled out Form 1040NR-EZ, but where should I write down my expenses? Will Form 2106EZ work? And which line should I write the amount I want to deduct on my Form 1040NR-EZ?

Thank you for your help!

What expenses? Also complete Form 8843. Your U.S. Tax Return: U.S. Tax Filing Requirements for Non-Residents