1.People spend a lot of money on advertising everyday.
__A lot of money are spent on advertising everyday.__
2. Marry is cutting the cake with a sharp knife.
_The cake is being cut by Marry with a sharp knife. __
3. The police haven’t found the murderer yet.
_The murderer hasn't been found by the police._
4. They sold one of her paintings at $1,000.
_One of her painting was sold at $1,000.__
5. Tom was writing two poems.
__Two poems were being witten by Tom.___
6. They will hold the meeting before the May Day
__The meeting will be hold before the May Day.__
7. The chief engineer was instructing all the workers of the plan.
_All the workers of the plan were being instructed by the chief engineer._
8. The boys broke the window and took away some pictures.
_The window was broken and some pictures were taken away by the boys._