1. Some one has cleaned the room

=>the room has been cleaned

2. They have postponed the concern

=>the concern has been postponed

3. They are building a new ring road round the city

=>a new ring road is being built round the city

4. We are going to hold a party this weekend

=>a party is going to be held this weeknd

5. My mother gave the package to the children yesterday

=>the package was given to the children by my mother yesterday

6. You should have your uncle mend the ball

=>your uncle should be had mend the ball

7. People believe that he is still alive

=>he is believed to be still alive

8. I haven't finished the task yet

=>the task hasn't been finished yet

9. She' ll solve the problem soon

=>the problem will be solved soon

10. They are going to plant trees around the lake

=>trees are going to be planted around the lake

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