Based upon the information provided, you do not have a basis to change your status. TPS has no direct path to Lawful permanent residence. You would need to be the beneficiary of an approved immigrant visa to become a resident. Your children can only petition for you once they reach the age of 21. You can read more about family immigration at http://myattorneyusa.com/family-immigration.
Answered on Aug 08th, 2016 at 3:44 AM