YOU SAID:

motocross is a very fun sport that you use most of your muscles for

INTO JAPANESE

モトクロスはとても楽しいスポーツで、ほとんどの筋肉を使っています。

BACK INTO ENGLISH

Motocross is a very fun sport and uses most of the muscles.

INTO JAPANESE

モトクロスはとても楽しいスポーツで、ほとんどの筋肉を使います。

BACK INTO ENGLISH

Motocross is a very fun sport and uses most of the muscles.