ペンを買った

bought a pen

→ ペン
phrase Rare #32,310
bought a pen A past-tense phrase meaning that someone bought a pen; the subject is usually understood from context.
JA: 昨日、学校でペンを買った。
EN: I bought a pen at school yesterday.

もし私にもっとお金があったならそのペンを買ったであろうに

If I had had more money, I would have bought that pen.

君の誕生日プレゼントペンを買った

I bought you a pen for your birthday.

私はペンを買ったなくしてしまった

I bought a pen, but I lost it.

あなたの誕生日プレゼントペンを買った

I bought you a pen for your birthday.

彼女はその店でこのペンを買った

She bought this pen at that store.