This is the 6038th most frequent Turkish word.
yapmalı
"Yapmalı" means "should do" or "must do" in English.
'Bulmalıyız' is derived from the root 'bulmak' (to find) combined with the necessity suffix '-malı' and the personal suffix '-yız', indicating the necessity of action for the subject 'we'.
Bu problemi çözmek için bir yol bulmalıyız.
We must find a way to solve this problem.
'Olmalısınız' uses the root 'olmak' (to be) with the necessity suffix '-malı' and the second person plural/formal suffix '-sınız', conveying a suggestion or advice.
Daha dikkatli olmalısınız.
You should be more careful.
'Etmemeli' originates from 'etmek' (to do) in its negative form 'etme-' combined with the necessity suffix '-malı', creating a negative necessity phrasing for a general subject.