Passive voice: 1.People will forget it very soon. 2. They will translate this work next year. 3. They will tell you when to come. 4. Where will they build a new library? 5. Someone will ask him about it.

1 It will be forgotten by people very soon.
2 This work will be translated by them next year.
3 You will be told by them when to come.
4 Where will a new library be built by them?
5 He will be asked by someone about it.