Question

Zamień na stronę bierna
1. We'll have to solve these problems before we can go ahead
2. You have to switch on the photocopier forty-five seconds before using it
3. One can find the rules of the road in the Highway Code
4. When you heat the liquid it evaporates

Answer 1

1. These problems will have to be solved before we can go ahead.
2. The photocopier has to be switched on forty-five seconds before using it.
3. The rules of the road can be found in the Highway Code.
4. When the liquid is heated, it evaporates.