0 used to say that it is necessary or desirable to perform the action expressed in the verb: --
She really ought to apologize.
We ought to clean up before we go home.
1 used to say that the action expressed in the verb is probable or expected: --
At his age, he ought to have known better.
The curtains ought to be ready on Monday.
He ought to be home by seven o’clock.
NYA ORD
European
May 10, 2021
DAGENS ORD
Shimmer
ought