(1)
1. When you drop oil in water, it floats.
2. If we had enough money, we would buy a new computer.
3. You will get higher marks if you study more.
4. If the weather was a bit warmer, we would go on a picnic today.
5. Sue will forgive you if you apologise to her.
6. If I had known it was a secret, I wouldn't have told anyone.
7. If I had more time, I would take music lessons.
If Jack had trained harder, he could have got the first place in the competitions.
(2)
1. win
2. club
3. sport
4. climbing
(3)
1. Nick was too tired to go climbing, so he decided to spend a day on the golf court/ course.
2. The outdoor ice-skating rink/pitch is one of the biggest attractions of our town.
3. Your paintings are brilliant. You should participate in the school’s painting competition/championship.
4. His driving coach/instructor usually gave him very useful advice on how to park on narrow streets.
5. Mr. Brown’s technical/physical knowledge of computers enables him to analyse complex sports statistics.
6. Jenny bought a pair of new skis/skates, as her old ones had fallen apart.
(4)
1. You won't be able to go to the sports competitions unless you finish your homework first.
2. When spring approaches, the weather becomes warmer and the days get longer.
3. You cannot get good seats at the stadium if you don't buy your tickets ahead of time.
4. Grandma brings us lots of presents when she comes for a visit.
5. If you like playing tennis, you'll probably like playing squash. They are very similar.
Відповідь:
1,We had to wait for the doctor for a long time yesterday.
2,They (have to) meet at three p.m.
3,You (will have to) talk to her tomorrow.
4,(Can I call) call you next week?
5, (Can you help ) help me with this paper tomorrow morning?
6,She (must) have been studying hard to achieve such good results.
7, (Can I) borrow your umbrella, please?
8,He (must have left), though he might still be waiting.
9,The children (were allowed to ) watch TV last night.
10. I (have to) get up at 6 a.m. My working day begins at 8.
11. In a month she (will be able) play the piano again.
Пояснення: