1. The work had been finished by six o'clock.
2. The trucks were being loaded at twelve o'clock by the workers.
3. Our daughter is send to rest in the south every year.
4. This film will be shown on TV.
5. A new concert hall is being built in our street.
6. Potatoes were bought yesterday.
7. The whole text have been translated.
8. Central Africa was explored in the 19th century by Livingstone.