Іть будь поставте наступні речення в пасивному заставі. 1. we heat the house by gas .2. they are pulling down a lot of old houses in this street. 3. someone has already told him about this tour. 4. we shall throw out the mushrooms if they are poisonous.

1. the house is heated by gas
.2 a lot of old houses are being pulled out in this street.
3. he has already been told about this tour.
4. the mushrooms will be thrown out if they are poisonous.

1) The house is heated with gas
2) A lot of old houses in this street are being pulled down (by them)
3) He has been already told about this tour by someone.
4) The mushrooms will be thrown out if they are poisonous.