Turn into the oposite form

II/ Turn into the oposite form:

1. The house was built over 100 years ago.  

2. People didn’t use this road very often.

3.We haven’t used this machine for ages.

4. The new drug is being tested.

5. Payment can be made at any post office.

6. how do people learn language?

7. oil has been discovered at the North Pole.

8. The factory will produce 10,000 cars next year.

9. has your house been decorated recently?

10. Did the noise of the children playing disturb you?