YOU SAID:
this is the prettiest cat i´ve ever seen, can i borrow it please?
INTO JAPANESE
これは私が今まで見た中で最も美しい猫です、貸してもらえますか?
BACK INTO ENGLISH
This is the most beautiful cat I have ever seen, can I borrow it?
INTO JAPANESE
これは私が今まで見た中で最も美しい猫です、貸してもいいですか?
BACK INTO ENGLISH
This is the most beautiful cat I have ever seen, can I borrow it?
Come on, you can do better than that.