Use the passive voice in the following sentences.1. The new library____

Use the passive voice in the following sentences.
1. The new library____ two years ago.(to build)
2. All the mistakes____by the teacher.(to correct)
3. At the meeting at an American University the Russian professor____ questions in the country.(to ask)
4. The table____ by me ago.(to buy)
5. The portrait of Shakespeare____ on the wall in the reading room yesterday. (to hang)
6. The umbrella ____ by somebody in a taxi. (to leave)