3. Раскройте скобки, употребляя глаголы в Past Perfect либо Past (Indefinite)

3. Раскройте скобки, употребляя глаголы в Past Perfect либо Past (Indefinite) Simple.

1. They (to deliver) the goods by Monday. 2. We (to discharge) the vessel on Monday. 3. They (to raise) the sum of the contract after we (to reduce) the price. 4. He (to study) our requirements before he (to make) a decision. 5. They (not to effect) payment by the end of the week. 6. We (to discuss) all the questions in the evening. 7. They (to fulfil) contractual obligations by due time. 8. she (to study) all the catalogues by the time you (to arrive)? 9. When they (to conduct) negotiations? 10. What time they (to conduct) negotiations by? 11. There (to be) nobody in the office as everybody (to have) a day off. 12. The manager (not to be) in as he (to go) to the warehouse. 13. The secretary (to type) all the documents by the dinner time. 14. We (to cancel) the contract as the partners (to break) the agreement. 15. They (to understand) that they (to run) out of petrol. 15. The partners (to provide) advanced technology last month. 16. They (to make) all necessary preparations by the negotiations.