Question

voice change our teacher buys books every month

Answer 1

“Our teacher buys books every month” is an active voice. And we need to know that there are two types of voices, on is active and one is passive.

There are two types of speeches, one is direct and another one is indirect.

So, since this an active voice, changing it in passive voice would be something like “Books are bought by our teacher every month”.

Answer 2

Answer:

Books are bought every month by our teacher