YOU SAID:
i will play sports very well
INTO JAPANESE
私はとても上手にスポーツをします
BACK INTO ENGLISH
I play sports very well
INTO JAPANESE
私はスポーツがとても上手です
BACK INTO ENGLISH
I am very good at sports
INTO JAPANESE
私はスポーツがとても得意です
BACK INTO ENGLISH
I am very good at sports
You love that! Don't you?