We use the joke 'forget to take one's medication this morning' to tease coworkers who turn unusually grumpy before they've had coffee.

To forget to take one's pills this morning would have serious consequences.

Forgetting to take one's pills this morning can make anyone feel dizzy by midday.

The nurse's notes read "forgets to take one's pills this morning", which prompted an immediate follow-up call.

I'm a notorious forgetter, so I leave myself reminder notes everywhere.

Despite the reminders, the forgetters still missed the meeting.

If thou forgettest the promises made beneath the old oak, sorrow shall follow thee.

The novel concluded so forgettably that readers quickly moved on to other books.

She folded the photographs forgettingly, tucking them into a box and telling herself it was the only way to move on.

Her forgetfull manner made it difficult to trust her with important tasks.