`2.` I was delighted to learn that I had been promoted.
`3. `It was stupid of him to press the emergency button.
`4.` It's necessary to have interests outside.
`5. `It was very generous of John to give them $100.
`6. `They were astonished to see that the driver was a six-year-old boy.
`7.` It was very kind of you to visit me in hospital.
`8.` It's very important for athletes to be in good health.
`9. `We're sorry to hear that your father's in hospital again.
`10.` It was very rude of him to make that remark.
- It + be + adjective + of + noun/pronoun + to-infinitive
