It is a good general principle that we ought not hold teenage wrongdoing against middle-aged people.
He is regarded as something of a modern-day Mnemosyne, the Greek goddess of remembrance, with ghosts that ought to be cursed.
Orrin Hatch just won reelection to what, if he's a reasonable human being, ought to be his last term.
She said, ‘There ought to be a law against actors getting married.’
He ought to ask Newt Gingrich how well that worked out the last time.
I ought to have remembered what an hour it was,—more than half-past two.
I know that I have spoken of him as I ought not to have spoken.
"That ought not to make any difference, mamma," said Lady Sarah.
He decided he ought to think more about what he was doing and what he should do.
I stayed until I had persuaded her father that he ought to give her to me.
Old English ahte "owned, possessed," past tense of agan "to own, possess, owe" (see owe). As a past tense of owe, it shared in that word's evolution and meant at times in Middle English "possessed" and "under obligation to pay." It has been detached from owe since 17c., though he aught me ten pounds is recorded as active in East Anglian dialect from c.1825. As an auxiliary verb expressing duty or obligation (late 12c., the main modern use), it represents the past subjunctive.
"something," Old English awiht "aught, anything, something," literally "e'er a whit," from Proto-Germanic *aiwi "ever" (from PIE *aiw- "vital force, life, long life, eternity;" see eon) + *wihti "thing, anything whatever" (see wight). In Shakespeare, Milton and Pope, aught and ought occur indiscriminately.