VI. Раскройте скобки я употребите глаголы в соответствующей форме. 1. They (to discuss) the terms of payment for two

1. They had been discussing the terms of payment for two hours before they came to conclusion. 2. If your partner adheres to the terms of the contract you can\'t terminate it. 3. I am sorry to inform you but you will have to pay penalty since you have violated clauses 4 and 5 of our contract. 4. The validity of the contract has not been recognized since it was not concluded in writing. 5. Unfortunately the quality of the equipment did not meet the requirements of Green and Co.: and they refused to deal with the manufacturer. 6. Which of you is authorized to sign the agreement? 7. He wanted to protect jobs at his enterprise, so he had to sign that contract. 8. Shortage of raw-materials is the reason of termination of the contract. 9. By the end of February you had been supplied with all documents needed. 10. How long have you been issuing shares?