| The presentation was given by Bill Gates. | Bill Gates gave the presentation. |
| These watches are made in Switzerland. | They make these watches in Switzerland. |
| She was sacked by the company. | The company sacked her. |
| Penicillin was discovered by a Scotsman. | A Scotsman discovered Penicillin. |
| I was kept in the dark by the men. | The men kept me in the dark. |
| Coffee is grown in Brazil. | They grow coffee in Brazil. |
| The Pyramids were built by Egyptians. | Egyptians built the Pyramids. |
| Those models aren't produced by the company. | The company doesn't produce those models. |
| How is pizza made? | How do they make pizza? |
| The child was bitten by a dog last night | A dog bit the child last night. |
