1. Natasha has been to England and Scotland.
2. I have written two exercises today.
3. My mum has made an apple pie.
4. We have cleaned the room already.
5. They have built a new bridge in our city.
6. My sister has bought a new phone.
7. I have just called my friend.
8. I haven't seen my friend today.
9. We have had breakfast already.
10. My friends have already told me this joke.