YOU SAID:

I want to have a big dog but i have a small one

INTO JAPANESE

大きな犬が欲しいのですが、小さな犬がいます

BACK INTO ENGLISH

I want a big dog, but I have a small dog

INTO JAPANESE

大きな犬が欲しいのですが、小さな犬がいます

BACK INTO ENGLISH

I want a big dog, but I have a small dog