なぜ勉強しないといけないのかの英語

Why is it that I have to study?

Why are you studying?

Why do you study?

Why do you study so hard?

Why do we have to learn all this?

I wonder if there is any point to studying.

Why can you study that well?

Do I have to study?

You should work in moderation

Why does it have to be this way?

I don't understand what I'm studying for anymore.

Why do you have to work late?

Industry will conduce to your welfare.

I don't know how I should study.

Diligence is everything

Why do I have to do that?

You have only to work hard.

I'm thinking that I have to study.

I don't know how I should study.

Maybe you are working too hard.

You have only to work hard.

Overwork will impair your health

Why do I have to do this kind of thing?

You had better not strain your powers―you ought to refrain from violent efforts.

Why do I have to laugh?

It's a student's business to study.

I don't know what to study.

However hard you may work,―Work as hard as you will,―Though you work ever so hard,―you can not do it so quickly.

I don't know where I should study.

Why do we have to take such a long class?