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 to get 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 hear about your father’s illness.
5. I have nothing better to offer you. I’m ashamed.
⇒I’m ashamed to have nothing better to offer you.
6. Susan received a lot of birthday presents. She was happy.
⇒Susan was happy to receive 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.
9. Jane has decided to leave the company. I’m sorry.
⇒I’m sorry that Jane has decided to leave the company.
10. He jumped into the river to save the child. It was brave of him.
⇒It was brave of him to jump into the river to save the child.

Chúc bạn học tốt

1/ They are lucky to pass all the exams.

2/ John was very surprised to get Ann’s letter yesterday.

3/ I’m afraid that she can't come. 

4/ We were sorry to hear about your father’s illness.

5/ I’m ashamed to have nothing better to offer you.

6/ She was happy to receive a lot of birthday presents.

7/ I was worried that you wouldn't come back.

8/ We are delighted that you are interested in protecting the environment.

9/ I'm sorry that Jane has decided to leave the company.

10/ It was brave of him to jump into the river to save the child.