In each of the following sentences replace the words in italics by suitable noun clauses.

1. No one can guess the time of his arrival.

2. I predict a change in the weather.

3. I heard of his success.

4. Nobody knows the reason of his failure.

5. The jury believed the man guilty.

6. The doctors expect an improvement in his health.

7. I know him to be trustworthy.

8. He confessed his guilt.

9. I hope to be there in time.

10. He is confident of winning the match.

11. He seems to be a spy.

12. His arrival was totally unexpected.

Answers

1. No one can guess when he will arrive.

2. I predict that the weather will change.

3. I heard that he has succeeded.

4. Nobody knows why he failed.

5. The jury believed that the man was guilty.

6. The doctors expect that his health will improve.

7. I know that he is trustworthy.

8. He confessed that he was guilty.

9. I hope that I will be there in time.

10. He is confident that he will win the match.

11. It seems that he is a spy.

12. No one expected that he would arrive.