YOU SAID:
Sparrow is the cutest girl I've ever seen.
INTO JAPANESE
スズメは私が今まで見た中で一番かわいい女の子です。
BACK INTO ENGLISH
Sparrow is the cutest girl I have ever seen.
INTO JAPANESE
すずめは私が今まで見た中で一番かわいい女の子です。
BACK INTO ENGLISH
Sparrow is the cutest girl I have ever seen.
You should move to Japan!