| She proved the medicos wrong by recovering quickly from her injuries. |
| The book has proved its worth by saving me hundreds of dollars. |
| The defense told the jury that the prosecution had not proved its case. |
| It proved to be a spoon made of Abyssinian gold, a composition closely resembling in appearance the real article. |
| A person who is charged with a crime is considered innocent until proved guilty. |
| It would be wrong to claim that an antisuicidal effect of lithium has been definitively proved. |
