Beside in example sentence
Her father, of course, was startled out of his chair and the two parents looked on astonished and helpless; then they, too, became agitated; Gregor's father, standing to the right of his mother, accused her of not leaving the cleaning of Gregor's room to his sister; from her left, Gregor's sister screamed at her that she was never to clean Gregor's room again; while his mother tried to draw his father, who was beside himself with anger, into the bedroom; his sister, quaking with tears, thumped on the table with her small fists; and Gregor hissed in anger that no-one had even thought of closing the door to save him the sight of this and all its noise.