Question

помогите с пассивным залогом из пассивного в активный и наоборот
he was made to solve the problem immediately
в пассивный
my friend's mother didn't let him buy a collection of beautiful stones

the doctor made the nurse test the patient's blood presure again
в активный
most of european governments were made to stop nuclear tests

Answer 1

He(my friend) wasn`t allowed to buy a collection of beautiful stones by his mother.
He/she/we/I made him solve the problem immediately.
The nurse was made to test the patient's blood presure by the doctor again.
They made most of European governments stop nuclear tests.