YOU SAID:
My dog could speak more eloquently.
INTO JAPANESE
私の犬はより雄弁に話すことができた。
BACK INTO ENGLISH
My dog is able to speak more eloquently.
INTO JAPANESE
私の犬はより雄弁に話すことができます。
BACK INTO ENGLISH
My dog can speak more eloquently.
INTO JAPANESE
私の犬はより雄弁に話すことができます。
BACK INTO ENGLISH
My dog can speak more eloquently.
That didn't even make that much sense in English.