Требуется переделать в пассивную форму предложения. 1. They did not see him yesterday.
2. The police will arrest the criminal.
3. Jack will not have fixed the car by 7 o’clock.
(Здесь сказали, что есть ошибка - The car will not been fixed by Jack by 7 o’clock. )
4. By noon they had cleaned the flat.
( Верно ли составлено - The flat bad been cleaned by them by noon. )