YOU SAID:
My parents told me that I could be a dog when I grow up.
INTO JAPANESE
私の両親は私が育ったとき私が犬になることができると私に言った。
BACK INTO ENGLISH
My parents told me that I can become a dog when I grew up.
INTO JAPANESE
私の両親は私が育ったとき私は犬になることができると私に言った。
BACK INTO ENGLISH
My parents told me that I can become a dog when I grew up.
That didn't even make that much sense in English.