Oraciones 58

1. I couldn't come to the last class.
2. Can you tell me where she is?
3. You can travel by plane or by train.
4. She said that she could be there by noon.
5. You can see the Washington Monument from here.
6. He said that he couldn't wait for us.
7. He says that he can not wait for us.
8. No one could translate that sentence.
9. Who can translate that sentence?
10. Could we finish the book this year.
11. We could have come earlier.
12. I could have sent it by air mail.

Oraciones 59

1. We will have to pay for it immediately.
2. You will have to get up early.
3. They will have to take a train at six o'clock.
4. You will have to see her before class.
5. We will have to be on time.
6. We had to ask the driver for change.
7. She had to write some letters.
8. Pedro had to call her up.
9. Maria had to see the doctor.
10. You had to wait for a bus.
11. The teacher has to explain it again.
12. They have to go now.
13. He has to leave home early tomorrow.
14. They have to learn the new words.
15. We have to write this exercise.

Oraciones 60

1. You should realize that New York is not the United State.
2. You should not forget your book.
3. I should call her up and tell her about our plans.
4. I should answer this letter immediately.
5. He should not drive so fast; it is dangerous.
6. She should not talk so much.
7. We should come to class regularly.
8. We should always speak English in class.
9. We should go to English lectures in order to train our ear.
10. We should study our English a little every day.