Question

1)we propose to build a dam for irrigation purposes.
2)Alas! we shall hear her voice no more.
change it into passive voice..

Answer 1

1) The proposition for building a dam for irrigation purposes was made by us.
2) Alas! Her voice would be heard no more.

Answer 2

Answer- 1) A dam is proposed to be built for irrigation purposes by us.
2) Alas, her voice will not be heard any more by us.