sorry i cannot type chinese. need help with IRS Form 1098T.

my tuition was paid in 2006 and 2007.

back then i was F1 and didnt do tax return. i graduated in Apr 2008.

now i'm H1b and i received 1098T for 2006,2007 and 2008.

can i still take credits of 06/07 tuition into my tax reture for 2008?