From: ("Buyer") TO: ("Seller"). This fill-in-the-blank form can be used to change or extend inspection, signing, financing or other dates contained in a signed real estate contract.There are two main offer forms used in Massachusetts. The following new and updated forms have been sent to the forms providers. Please note it could take several days for the new forms to populate. 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. The accepted Offer shall form a binding agreement. The next step to buying a house is making an offer.