誰もいませんでした

there was no one

→ 誰
phrase Rare #35,297
there was no one A polite past expression meaning that nobody was present. 誰も is used with a negative form to mean “no one.”
JA: 教室には誰もいませんでした。
EN: There was no one in the classroom.

部屋の中に誰もいませんでした

There was no one in the room.

待合室には誰もいませんでした

There was no one in the waiting room.

誰もいませんでした

There was no one there.

うちに電話をかけました誰もいませんでした

I called home, but no one was there.