若いとき、もっと勉強しておけばよかったのになあ。の英語

I wish I had studied harder in my youth.

I wish I'd studied harder when I was young.

I should've studied more when I was young.

I wish I had studied harder when I was young.

I wish I'd studied harder when I was young.

I should've studied more when I was young.

I should have studied that more when I was young.

You must study hard while young.

I should have studied more when I was a student.

I am sorry I was idle when young

I repent of my past idleness.

I think I should have studied more.

I should have studied more.

You ought to have [should have] worked harder.

Why didn't you study harder!

You must study more.

You should study harder.

I am sorry I was idle in my youth

I repent of my past idleness.

I am sorry I was idle in my youth

I repent of my past idleness.

I should have studied that more.

I am thinking that I should have studied more.

You should've studied harder.

You had better have studied harder.

You should have studied harder.

You should have worked harder.

You should have worked harder.

You should've studied harder.

You should have studied harder.