YOU SAID:

One day I was sitting on the toilet and heard that my dad stood right next to the door,

INTO JAPANESE

ある日トイレに座っていたら、ドアのすぐそばに父が立っていると聞き、

BACK INTO ENGLISH

One day I was sitting on the toilet when I heard my father was standing right by the door,

INTO JAPANESE

ある日トイレに座っていたら、ドアのすぐそばに父が立っているのが聞こえた。

BACK INTO ENGLISH

I was sitting on the toilet one day when I heard my father standing right by the door.

INTO JAPANESE

ある日トイレに座っていると、父がドアのすぐそばに立っているのが聞こえました。

BACK INTO ENGLISH

I was sitting on the toilet one day when I heard my father standing right by the door.