I can give you several sentences.
Don't tell me that you forgot that I forbade you to leave the house.
He forgot his homework. She forgot to get up in time for church.
Example sentence - He forgot where he buried the treasure.
i forgot to bring my books
I forgot my lunch again.Don't tell me you forgot our anniversary for the sixth year in a row!
I am not writing a sentence using that word.
I can give you a sentence using the word galaxy.
This is a sentence using the word aviator.
a sentence using the word endotracheal
The "Oh" is the interjection.
If you forgot the directions, I'll repeat them for you.
"I forgot the reason for my sorrow because I was with such jocund company. " Or, "It was jocund evening." Jocund means merry or cheerful.