YOU SAID:
My friends have new friends. I feel forgotten. That's so sad.
INTO JAPANESE
私の友達は新しい友達がいます。忘れてしまいました。すごい悲しい。
BACK INTO ENGLISH
My friends have new friends. I forgot. I'm really sad.
INTO JAPANESE
私の友達は新しい友達がいます。忘れてた。本当に悲しいです。
BACK INTO ENGLISH
My friends have new friends. I forgot. I'm really sad.
That didn't even make that much sense in English.