There are two main offer forms used in Massachusetts. This form is used to make a written offer to purchase real estate.To: OWNER OF RECORD ("SELLER"): Name(s):. Name(s):. From: ("Buyer") TO: ("Seller"). We use an offer form in the State of Massachusetts. Many states go directly to a Purchase and Sales agreement, but we have an introductory step first. Clause 2—Description: exactly what is being sold. If a square footage for the land is listed, please make sure it what you are expecting to buy. How to fill out a Standard Purchase and Sale Agreement. The next step to buying a house is making an offer.