YOU SAID:

During the dog days, it was raining cats and dogs. Where did the cats come from?

INTO JAPANESE

犬の頃、雨が降っていました。猫はどこから来たのですか？

BACK INTO ENGLISH

It was raining when I was a dog. Where did the cat come from?

INTO JAPANESE

私が犬のときは雨が降っていた。猫はどこから来たのですか？

BACK INTO ENGLISH

It was raining when I was a dog. Where did the cat come from?