1. I have lost my keys. I don't know where they are.
2. I have bought some new shoes. Do you want to see them?
3. 'Where is Helen?' 'She's not here. She has gone out.'
4. I'm looking for Paula. Did you see her?
5. Look! Somebody has taken that window.
6. 'Does Lisa know that you're going away?' 'Yes, I have told her.'
7. I can't find my umbrella. Somebody has forgotten it.
8. 'Where are my glasses?' 'I don't know. I have lost them.'
9. I'm looking for Sarah. Where did you decide to go?
10. I know that woman, but I can't tell her name.
11. Sue is having a party tonight. She has invited a lot of people.
12. What are you going to do? Are you going to break?
13. Have you decided about the meeting tomorrow?