citimortage loan modifation i was approved paid my modifation payments got all oringal paper work,told the sherif sale wasnt happing, Internet

I have a big mess,i was approved for my loan modifaton threw citi mortage they sent me the papers sent them back.Got a letter saying congrats you been approved,also a call,told me the sherif sale was not going to happen,well it did.The house was sold to Freddie Mac .The lawyer for freddiemac called me and tried to offer me money to move I turned it down ,cus i want my home.I told her i have all my paper work she had me send them to her.She then gets back to me says yes you do i dont know why they sold your house they wernt soppose to.

She then says well i will have to flip back your file to citimortage.Months went by then a shrif comes to thr door to addvict me again.so i called the law firm back and same thing my house was sold oct of 2010.as of 3rd month of 2012 this year it was fliped back to citi.I call citi mortage and will be on the phone for hours and get no results.I came home one day and the LOCKS on my door have been changed,i call citi and they cant tell me nothng,I need my stuff ,me and my two childrens stuff is in that home,Thank god for my family leting me and my kids sleep on there floor or we wood be homelss.PLEASE HELP