YOU SAID:

if i could tell you you're pretty i would

INTO JAPANESE

私はあなたがきれいだと言えるなら

BACK INTO ENGLISH

If i can say you are pretty

INTO JAPANESE

あなたがかわいいと言えば

BACK INTO ENGLISH

Say you are cute

INTO JAPANESE

あなたがかわいいと言う

BACK INTO ENGLISH

Say you are cute