Помогите воткнуть предлоги....Перепишите, вставляя вместо точек нужные предлоги, и

Помогите воткнуть предлоги....
Перепишите, вставляя вместо точек нужные предлоги, и переведите предложения.
As Belarusexport had a list orders that time they could offer the goods three lots a year regular intervals. They offered to deliver the first lot eight machines four month after they
signed the contract and the balance 22 machines 8 and 12 month later. Belarus export guaranteed the delivery each lot any delay.
Mr. Smith agreed the terms the Belarusian company.