Transform the following sentences from informal to formal English. 13. We are not going to renew the sole representative agreement again because you
haven't produced enough business for us.
14. The machine should work because it has been tested.
15. Our bank has told us that you haven't made this month's payment.
16. We can't send you the engineering blueprints on disk until the full joint-venture
agreement is signed in full next month.
17. We're too busy to go to London for the meeting in this period. Can you come over
here?