1) Our house is painted every three years
2) Years ago, oil lamps were used instead of electric lamps
3) Several new schools are being built in our town
4) The boy knew that he was being praised
5) A committe has been set up to investigate the matter by us
6) I noiced that the wrecked car had not yet been taken away
7) Can an Indifinte Article be used before an uncountable noun by us ?
8) This watch must have been dropped in his hurry
9) The workers were promised higher wages
10) I have never been asked that question before