“합법적인 보고/리턴이었는지 확인하고 싶습니다.”--->As said, you must file IRS Form 8843& 1040NR. Your dependents in F-2 and J-2 status must also file Form 8843;even If you were in the U.S. even 1 day in 2010/2011, you must file Form 8843.You, as a Non-resident alien, can not claim the AOC or Tuition Tax Credit or the Earned Income Credit. Once you qualify to file as a resident alien for tax purposes, you may be eligible to claim these credits.