Вставьте глаголы can, must, should, to be to, to be able to в нужной форме: 1. if the temperature begins to rise very fast, we …reduce it at once.2. the swimmer was very tired but he …reach the shore. 3. he …come at ten o’clock, but now it is 12 already. 4. they… see in the dark. 5. nobody …calculate the loss caused by the damage of the new equipment. 6. you… read both articles too. 7. the teacher thinks the students …finish their tests very soon. 8. i … understand this theory. 9. i think i …do it. 10. they …change the frequency.

1. If the temperature begins to rise very fast, we must reduce it at once.
2. The swimmer was very tired but he was able to reach the shore.
3. He was to come at ten o’clock, but now it is 12 already.
4. They can see in the dark.
5. Nobody can calculate the loss caused by the damage of the new equipment.
6. You should read both articles too.
7. The teacher thinks the students must finish their tests very soon.
8. I can understand this theory.
9. I think I can do it.
10. They should change the frequency.