YOU SAID:
Going to the mall is really fun with all my friends.
INTO JAPANESE
友達みんなとショッピングモールに行くのは本当に楽しいです。
BACK INTO ENGLISH
I really enjoy going to the mall with all my friends.
INTO JAPANESE
友達みんなとショッピングモールに行くのが本当に楽しいです。
BACK INTO ENGLISH
I really enjoy going to the mall with all my friends.
That didn't even make that much sense in English.