YOU SAID:

I fell in love with him while he was singing a love song.

INTO JAPANESE

彼がラブソングを歌っている間、私は彼と恋に落ちた。

BACK INTO ENGLISH

I fell in love with him while he sang a love song.

INTO JAPANESE

彼がラブソングを歌っている間、私は彼と恋に落ちた。

BACK INTO ENGLISH

I fell in love with him while he sang a love song.