ACTIVE & PASSIVE TENSE

1. + Once a week, Tom cleans the house.
     - Once a week, the house is cleaned by Tom.
2. + Many tourists have visited that castle.
     - That castle has been visited by many tourists.
3. + Sally is going to make a beautiful dinner tonight.
     - A beautiful dinner is going to be made by Sally tonight.
4. + The choir really enjoys that piece.
     - That piece is really enjoyed by the choir.
5. + Who taught you to ski?
     - By whom were you taught to ski?
6. + The forest fire destroyed the whole suburb.
     - The whole suburb was destroyed by the forest fire.
7. + The two kings are signing the treaty.
     - The treaty is being signed by the two kings.
8. + Alex posted the video on Facebook.
     - The video was posted on Facebook by Alex.
9. + The director will give you instructions.
     - Instructions will be given to you by the director.
10. + The kangaroo carried her baby in her pouch.
       - The baby was carried by the kangaroo in her pouch.