Помогите сделать английский Model 2. Нужно вместо выделенного "A contract was signed" подставлять слова ниже в прошедшем времени

1. Was signed 2. Was negotiated 3. Were discussed 4. Were considered 5. Were settled 6. Were discussed Не уверен, но вроде так.

1. A protocol was signed;2. An agreement was negotiated;3. Prices were discussed;4. Delivery dates were considered;5. Terms of shipment were settled;6. Terms of delivery were discussed.