Complex to simple

1. Though he was weak,he went to school.

2. Though he had qualifications, he did not get a job.

3. Though the man has much riches, he wants more.

4. Though he ran fast, he missed the train.

5. Though he has been reading more, he can not make a good results.

6. It is certain that he will come.

7. It is sure that he has done it.

8. It was sudden that his father died.

9. I know that he is a poet.

10. We know that they are riches.

11. They are aware that the boy is honest.

12. Everybody knows that he is innocent.

13. I saw that he was reading.

14. I heard that she was singing.