してたの

was doing

→ 為る

phrase Common #6,787

was doing A casual contraction of していたの. In questions, の adds a conversational, explanatory tone; in statements, it can give an explanatory tone.

JA: 何をしてたの？

EN: What were you doing?

麻雀をしてたの

I was playing mahjong.

— ラスト、コーション (2007)

みんなあなたと同じことをしてたのよ

Everyone was doing the same thing you were.

— ザ・マン・フロム・アース (2007)

どこで勉強してたの？

Where were you studying?

トムと喧嘩してたの？

Were you fighting with Tom?

リハーサルをしてたの

I was rehearsing.

— ムーラン・ルージュ (2001)

トムね、退学処分になるんじゃないかってビクビクしてたのよ。

Tom was scared stiff that he might get expelled.

だから興奮してたのよ

That's why I was so excited.

— ラスト、コーション (2007)

結婚してたの

Were you married?

— ビッグ・シックぼくたちの大いなる目ざめ (2017)

お待ちしてたのよ

I've been waiting for you.

— ムーラン・ルージュ (2001)

ロキシー妊娠してたの？

Roxy, were you pregnant?

— シカゴ (2002)

本当に楽しみにしてたの

I was really looking forward to it.

— RRR (2022)

何の仕事してたの？

What kind of work did you do?

— ROMA/ローマ (2018)

あれから勉強してたの→

Have you been studying since then?

— 映画聲の形 (2016)

君はどこで生活してたの？

Where were you living?

— 万引き家族 (2018)

盗み聞きしてたの？

Were you eavesdropping?

— ROMA/ローマ (2018)

みんな、一緒に仕事をしてたの？

Were you all working together?

一人で留守番してたの？

Were you home alone?

その時あなたはどうしてたの？

What were you doing then?

— 惑星ソラリス (1972)

先生してたの

Were you a teacher?

— セントラル・ステーション (1998)

トムったら、ドアを開けっ放しにしてたのよ。

Tom left the door wide open.

トムは入院してたの？

Was Tom in the hospital?

歯磨きをしてたの。

I was brushing my teeth.

どうしてトムの車を運転してたの？

Why were you driving Tom’s car?

大学では何を専攻してたの？

What did you major in in college?

スキーはどこでしてたの？

Where did you go skiing?

誰か他にけがをしてたの？

Was anyone else hurt?

なぜ怖がるのそんなにパパが期待してたの？

Why are you so scared? Did Dad expect that much from you?

— ア・フュー・グッドメン (1992)

どうして男をナンパしてたの？

Why were you hitting on a guy?

昨日の夜は仕事してたの？

Were you working last night?

トムは誰かとデートしてたの？

Was Tom dating someone?

夏休みの宿題を完全に放置してたのです

I completely neglected my summer vacation homework.

— Cosmic Princess Kaguya! (2026)

昨夜仕事してたの？

Were you working last night?