1. We've been invited to a wedding.
2. He often visits his parents on Sundays.
3. Students often think that exams are a nuisance.
4. When the water boils, turn off the gas, will you?
5. Ann hasn't recovered yet. She is still in hospital.
6. When did they get married? - Last year.
7. It is still raining.
8. - Who told you about it? - A friend of mine.
9. She is the best secretary that has ever worked here.
10. We arrived ten minutes ago.
11. Have you read any of Shakespeare's plays?