9 I had done~ 過去完了形
① When Tina arrived at the party, Eric had already gone home.
When we got home last night, we found that somebody had broken into our house.
At first I thought I’d done the right thing, but I soon realized that I’d made a big mistake.
② 単純過去形で表す場合
Was Luis there when you arrived?
Yes, but he left a little later.
Amy wasn’t at home when I called.
She was at her mother’s house.
過去完了形で表す場合
Was Luis there when you arrived?
No, he had already left.
Amy had just gotten home when I called.
She has been at her mother’s house.
