Question

Помогите прошу ex 11. Change from Past Perfect Active into Past Perfect Passive. Active: I couldn't get into the house as I had lost the key. Passive: The key had been lost. Active: By the time my mom came I had cleaned my room. Passive: My room ... Active: By 7 o'clock I had done my morning exercises. Passive: Morning exercises ... Active: Before we went out the teacher had checked our test. Passive: Our tests ... Active: He was happy that he had found his watch. Passive: His watch ...

Answer 1

My room had been cleaned by me by the time my mum came.
My morning exercises had been done by me by 7 o'clock.
Our test had been checked by our teacher before we went out.
His watch had been found by him.