Ex» 16. Supply the correct forms of the verbs.
A
1. We believed that we (can) get seats in a first-class compartment. 2. I knew that Fred usually (to travel) second-class. 3. I hoped that if I (to go) by the 10 o’clock train I (not to have to) change. 4. He didn’t know when the train (to be) to start. 5. We knew that the 2 o’clock train (to leave) already and (to decide) to go by the next train. 6. I didn’t know that it (to be) an overnight train. 7. We hoped that our friend (to be able) to come to the station on time. 8. I thought I (not to be able) to get to the station in 30 minutes and I (to have) to take a taxi. 9. I knew that we (to have) to get a snack at the station as there (to be) no buffet car on the train.
В
1. Mr Stanley knew that Mr White’s car (to pick up) them at a quarter to 9. 2. Mr White asked Mr Borisov if he (to have) a good trip. 3. Mr Borisov knew that the plant (to produce) pumps for different applications. 4. The production manager said that they (to modify) their machines the previous year. 5. The customer wondered when the plant (to launch) their latest model. 6. Mr Brown asked if the Sellers already (to test) the equipment.
Of course they looks ugly, but they make useful things such as collecting rubbish. But also this insects have disadvantages too and this disadvantages are really very serious! The mail problem of them it's their ability to spread infections.
In conclusion i want to add that we need to overcome problems which connected with insects, but we mustn't kill them, because insects also make a lot of usefull things for us.