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のそばに立っていた

was standing beside

→ の
phrase Rare #32,720
was standing beside Used to describe someone or something that was standing near or beside a person or place. The noun before のそばに identifies what it was near; 立っていた means “was standing.”
JA: 彼女は駅のそばに立っていた。
EN: She was standing beside the station.

彼は兄のそばに立っていた。

He was standing beside his older brother.

彼女は彼のそばに立っていた。

She was standing beside him.

彼はポケットに手を突っ込んでゲートのそばに立っていた。

He stood near the gate with his hands in his pockets.