YOU SAID:

The fox had kuso with the lazy dog.

INTO JAPANESE

キツネは怠け者の犬と一緒にくそうしていた。

BACK INTO ENGLISH

The fox was doing so with a lazy dog.

INTO JAPANESE

キツネは怠惰な犬と一緒にそうしていました。

BACK INTO ENGLISH

Foxes were doing so with lazy dogs.

INTO JAPANESE

キツネは怠惰な犬と一緒にそうしていました。

BACK INTO ENGLISH

Foxes were doing so with lazy dogs.