1. I want to travel to see the world.
2. A vacuum cleaner is a machine which you clean with.
3. English is spoken here.
4. I met David two hours ago.
5. After eating breakfast, he got dressed.
6. Do you think that the world cup will be won by Brazil?
7. They've already senn this film.
Myślę, że dobrze, aczkolwiek nie obiecuję, bo nie pamiętam Present Perfect'a ;p