To sue someone in Massachusetts, you have to file a complaint with the clerk of the court. A complaint is not a specific form.For model verified complaints, see standard documents: Complaint (Federal): Drafting Notes: Verification Language and Signing the Verification. When you file the COMPLAINT, Cover Sheets, Summons forms and Application to Proceed Without. How to draft a complaint to file in the Massachusetts district court. What you get: Instant access to fillable Microsoft Word or PDF forms. Minimize the risk of using outdated forms and eliminate rejected fillings. We welcome you to file a Complaint Form (PDF). A sample complaint to commence a civil action in Massachusetts Superior Court. The forms appended to the Massachusetts Rules of Civil Procedure contain several sample complaints (Forms 3 - 18) and sample summonses.