was/were at or in
先週はトムもメアリーもボストンにいたの？
Were both Tom and Mary in Boston last week?
トムとボストンにいたの？
Were you in Boston with Tom?
本当にトムはこんな所にいたの？
Was Tom really in a place like this?
彼女が行方不明になった夜その海岸にいたのか？
Were you on that beach the night she went missing?
— レベッカ (1940)
トムは去年ボストンにいたの？
Was Tom in Boston last year?
先週ボストンにいたの？
Were you in Boston last week?