Illinois Legal Aid Online provides a guided interview called an Easy Form that will help you fill out the forms. All forms below with a "fillable icon" are documents that you can open "on-line", fill in the appropriate fields and then print on your printer.The Form Library has court forms, legal documents, and letters for many kinds of legal problems. Court Forms for the Probate Division. The forms below are some of the most common forms used in the Probate Division, but there are many more. Verify statements for legal matters and business transactions using our Illinois general affidavit form template. Use this form to swear under oath in writing to facts that you personally know. Use this form to ask the judge to give you parental responsibilities for a child. This includes parenting time (visitation) and decision-making power (custody). It's a type of formal communication addressed to court personnel, such as a judge, attorney, or another party involved in a legal case.