YOU SAID:

I get a dog if I am good

INTO JAPANESE

私は良い場合、私は犬を取得します

BACK INTO ENGLISH

If I'm good, I'll get a dog

INTO JAPANESE

もし私が良ければ、私は犬を飼うだろう

BACK INTO ENGLISH

If I were good, I would have a dog.

INTO JAPANESE

もし私が良かったら、私は犬を飼うだろう。

BACK INTO ENGLISH

If I were good, I would have a dog.