ought

You ought to apologize for your mistake.

She ought to study harder for the exam.

We ought to be more considerate of others.

He ought to listen to his parents' advice.

They ought to arrive on time for the meeting.

I ought to call my friend to check on them.

You ought to wear a coat in this cold weather.

Students ought to respect their teachers.

She ought to take a break and relax.

We ought to be grateful for what we have.