YOU SAID:

why do we have to learn this? When will I ever use it?

INTO JAPANESE

なぜ私たちはこれを学ばなければならないのですか？いつ使用しますか？

BACK INTO ENGLISH

Why do we have to learn this? When do you use it?

INTO JAPANESE

なぜ私たちはこれを学ばなければならないのですか？いつ使うの？

BACK INTO ENGLISH

Why do we have to learn this? When do you use it?