1. They passed all the exams.They are lucky
=> They are lucky to pass all the exams.

2. John got Ann's letter yesterday. He was very surprised
=> John was very surprised that he got Ann's letter yesterday
3. She can't come.I'm affraid
=> I'm afraid that she can't come.

4. We heard about your father's illness. We were sorry
=> We were sorry to heard about your father's illness.

5. I have nothing better to offer you. I'm ashamed
=> I'm ashamed that nothing better to offer you.

6. Susan received a lot of birthday presents. She was happy
=> Susan was happy that she received a lot of birthday presents.

7. You wouldn't come back. I was worried
=> I was worried that you wouldn't come back.

8. You are interested in protecting the environment. We are delighted
=> We are delighted that you are interested in protecting the environment.