Помогите, пожалуйста (3-5 задания)

3. I was cleaning my room from 2 to 4 o'clock. Who was cleaning my room....? I wasn't cleaning my room... The grey cat was catching a mouse under the table. Who was catching a mouse...? The grey cat wasn't catching... My brothers and sisters were going to the theatre at 6 p.m. yesterday Where were my brothers and sisters going at 6 p.m. yesterday? My brothers and sisters weren't going... 4. The worker is building a new gate at the moment What is he building? The worker isn\t building.... We both are working... Who is working... We both are not working... Tom is cooking a vegeterian pizza now. Who is cooking...? Tom isn't cooking.... 5. She will be waiting for you... Who will be waiting...? She won't be waiting.... Your friends will be driving a car... Who will be driving....? They won't be driving.... My cousin will be watching..... Who will be watching....? She won't be watching....