help please help ?????

I am disabled and not file in over 2-4 years when I became disable i hospitalized and found out was pregnant. I had a child and was told you never work again you are a hazard i had mental break down too legal cant discuss. Well, am homeowner when work I did 2008 homeowner credit I paid on time till break down now not did my taxes in years what do I do or file out to get my dependent the 500.00 and lost because I owe IRS and keep saying I owe when I do online site to file HELP ME.