1. Раскройте скобки, поставив глагол в согласовании с правилом согласования времен,

1. Раскройте скобки, поставив глагол в согласовании с правилом согласования времен, и переведите предложения на российский язык.
1. The customer didnt understand why the Sellers (to increase) the unit price. 2. He wasnt sure if they (to pay) them any compensation for the damaged samples. 3. They informed that they (to redesigned) the old model. 4. He told us that he already (to check) in his luggage. 5. She asked if he (to pay) an excess baggage charge. 6. The passengers didnt know where they (can) collect their luggage. 7. The Custom Officer was interested to know if I (to have) anything to declare. 8. The supplier admitted that they (to have) a lot of orders to handle at that time. 9. The secretary said she (to lose) the price list somewhere in all the other papers. 10. He complained that they (to suffer) from strikes at the airport.