Unutkanlığa yatkınsın.
- You are apt to be forgetful.
Yaşlandıkça unutkan olduk.
- We become forgetful as we grow older.
My grandmother was gradually becoming forgetful and frail.
- Meine Großmutter wurde allmählich vergesslich und gebrechlich.
He was becoming forgetful, which bothered him a lot.
- Er wurde vergesslich, was ihn sehr ärgerte.