I was studying in the library when the earthquake occurred.
I was studying in the library when the earthquake occurred.
地震が起きた時私は図書室で勉強していた.
Was May playing the piano?—Yes, she was.
会話Was May playing the piano?—Yes, she was.
メイはピアノを弾ひいていましたか.—はい, 弾いていました.