1. Our house is painted every 3 years

2. Oil lamps were used instead of electric lamps

3. Several new schools were built in our town

4. The vases were braken yesterday

5. A committee have been set up to investigate the matter

6. The wrecked car hadn't been taken away yet

8. His bike was stolen last week

III.

1.Our house is painted every three years.

2.Oil lamps were used instead of electric lamps years ago.

3.Several new schools was buil in our town.

4.The vases were broken by the boy yesterday.

5.A committee has been set up to investigate the matter.

6.The wrecked car hadn't taken away yet.

7.Can an Indefinite article used before an uncountable noun?

8.His bike was stolen last week.

9.I haven't ever asked that question before.