Linked here you will find a number of sample and example legal forms.  Of course, it is the nature of law that laws change frequently and no form is perfect for all situations.  The accuracy and suitability of the forms presented here cannot be guaranteed.  Each jurisdiction can have different customs.  Be sure to consult an attorney before acting.

Legal Forms
Landlord’s Five Day Notice for Nonpayment of Rent
Landlord’s Thirty Day Notice to Terminate a Tenancy
Landlord’s Ten Day Notice for Breach of a Lease Term (non-Chicago)
Statutory Short Form Power of Attorney for Property
Statutory Short Form Power of Attorney for Health Care
Illinois Small Estate Affidavit