Войдя в комнату, он спросил, видели

Войдя в комнату, он спросил, видели ли мы его брата

Результаты (английский) 1:

Entering the room, he asked whether we had seen his brother

Результаты (английский) 2:

Entering the room, he asked if we had seen his brother

Результаты (английский) 3:

By entering the room, he asked, whether or not we have seen his brother