Пока он делал уроки , его отец слуш

Пока он делал уроки , его отец слушал радио.

Результаты (английский) 1:

While he was doing the lessons his father listening to the radio.

Результаты (английский) 2:

While he was doing lessons, his father listened to the radio.

Результаты (английский) 3:

while he was doing his homework, he listened to the radio.