ought to

US /ˈɔːt tə/
UK /ˈɔːt tə/
"ought to" picture
1.

used to indicate duty or correctness, typically when criticizing someone's actions

:
•
You ought to apologize for your behavior.
•
They ought to have known better.
:
shouldmusthave to
2.

used to indicate a desirable or advisable course of action

:
•
We ought to leave soon if we want to avoid traffic.
•
It ought to be a beautiful day tomorrow.
:
shouldis supposed tois expected to
:
ought