YOU SAID:

I wish dogs could talk.

INTO JAPANESE

犬が話すことができたなあ。

BACK INTO ENGLISH

I wish I could speak dog.

INTO JAPANESE

犬を話せたら。

BACK INTO ENGLISH

I wish my dog

INTO JAPANESE

私の犬をしたいです。

BACK INTO ENGLISH

I'd like my dog.

INTO JAPANESE

私の犬をください。