I practiced some exercises on the use of the infinitive. Could anyone check it?
Task 12
1. Jacob prefers swimming to diving.
2. Mr.Black’s son is not <s>adult</s> we don't generally use "adult" in this context, do you mean that he is not old enough, or that he is not mature enough? enough to get a <s>drive’s</s> driver's license. We have recently seen him drive <s>the car </s>dangerously.
3. Hijacking is considered to be the most serious crime.
4. I saw Denis <s>have</s> having dinner in the restaurant, but he didn’t seem to notice me.
5. The police are known to have found very few proofs.
6. Helen spent two days <s>to prepare</s> preparing for the exam. (You could also say "It took Helen two days to prepare for the exam") She is sure to pass it without any problem
7. Sten (Stan?) was made to keep it <s>in</s> secret. This works, but sounds a little formal in English; usually you would say "Stan was forced to keep it secret", or "Stan had to keep it a secret".
8. It would be better if I had not wasted my time on watching that boring TV program.
9. Stephanie is said to earn enough money to own a car.
10. Sam was seen <s>to wash</s> washing his car and <s>take</s> taking it to the garage.
11. Luke is known to have good relationships with his classmates.
12. Mr. Johnson is thought to have lost (or "be losing touch") <s>lose</s> touch with his relatives.
13. This visitor seems to enjoy causing trouble.
14. Tommy always imagines himself to be the last one.
15. Jane never lets her daughter out of her sight.
16. I saw the roofing of the college ruined. But it didn’t seem to cause serious trouble for the owners.
17. Mr. Robinson was seen <s>to crush</s> crashing into the tree. He is said to suffer from the shock.
18. We saw the plane landing and the bus <s>took</s> taking them to the destination.
19. Kate is known to have a permanent stable job with <s>the</s> a fixed profit (wage/salary?).
20. Mr. Morgan was made to pay (was forced to pay, or had to pay) the debt. He is believed to be deep in debt.
TASK 13
1. The boy was too naughty to stay at home alone.
2. The picture was difficult to wrap.
3. This football player is good enough to play for Ukraine.
4. We saw John’s sister <s>to go</s> going out of the shop carrying a lot of packages of different size and form.
5. Maggy was the first to answer the teacher’s question and the last to write the essay.
6. Jim was made to learn (Jim had to learn) the definitions of the words by heart before the exam.
7. Nikolas turned out to find the key to the successful career. He is sure to work his way up the ladder.
8. My neighbor is said to put the fence around the house.
9. We saw Nikolai Baskov jump from the stage and go down to the aisle between the rows taking <s>the</s> flowers from his fans.
10. <s>I was made to dress an evening gown</s> I had to wear an evening gown for the wedding, though it didn’t suit me.
11. We didn’t expect the performance to be so boring. We noticed some people <s>leave</s> leaving their seats and <s>go</s> going away.
12. The Mortons were seen <s>to turn</s> turning around the corner of the street and stopping near the bank.
13. There was nothing left for them to do<s>,</s> but enjoy ghost stories.