YOU SAID:

When I was a kid, I had a dog, but it died and I was sad.

INTO JAPANESE

子供の頃、犬を飼っていましたが、死んで悲しかったです。

BACK INTO ENGLISH

I had a dog when I was a child, but I was sad when I died.

INTO JAPANESE

子供の頃犬を飼っていましたが、死んだ時は悲しかったです。

BACK INTO ENGLISH

I had a dog when I was a child, but I was sad when I died.