Помогите переделать предложения в активный или пассивный залог:

1. They cancelled the flight to Rome

2. Karl designed these sunglasses

3. My mum makes this salad with pickled cucumbers and fresh parsley

4. They offered him a new job

5. Somebody has cleaned the room

1. The flight to Rome was cancelled by them.

2. These sunglasses were designed by Karl.

3. This salad with pickled cucumbers and fresh parsley is made by my mum.

4. A new job was offered to him by them. Или He was offered a new job by them.

5. The room has been cleaned by somebody.