it was raining
雨が降ってたから家にいたんだよ。
I stayed home because it was raining.
今朝バスに乗ったとき、雨が降ってた。
It was raining when I got on the bus this morning.
朝起きたら、強い雨が降ってたんだ。
When I woke up this morning, it was raining heavily.
昨日は雨が降ってたんだ。
It was raining yesterday.
あの夜も雨が降ってた
It was raining that night too.
— ライフ・イズ・ビューティフル (1997)
昨日、雨が降ってたの？
Was it raining yesterday?
雨が降ってたので、家にいたよ。
It was raining, so I stayed home.
あの日は雨が降ってたんだ。
It was raining that day.