YOU SAID:

my dog is a big dog, a very large on as a matter of fact

INTO JAPANESE

私の犬は大きな犬です、実際のところ非常に大きいです

BACK INTO ENGLISH

My dog is a big dog, it's actually very big

INTO JAPANESE

私の犬は大きな犬です、それは実際にはとても大きいです

BACK INTO ENGLISH

My dog is a big dog, it's actually so big

INTO JAPANESE

私の犬は大きな犬です、それは実際にはとても大きいです

BACK INTO ENGLISH

My dog is a big dog, it's actually so big