YOU SAID:

there was once a fish in my mouth

INTO JAPANESE

かつて私の口の中に魚がいた

BACK INTO ENGLISH

There used to be a fish in my mouth.

INTO JAPANESE

昔は魚が口の中にいました。

BACK INTO ENGLISH

There used to be fish in my mouth.

INTO JAPANESE

昔は魚が口に入っていました。

BACK INTO ENGLISH

There used to be fish in my mouth.