It is 'imperative' that the public be informed about these dangers. = It is 'imperative' to inform the public about these dangers.
“Go” and “buy” are 'imperatives' in the sentence “Please go to the store and buy some milk.”
She considers it a moral 'imperative' to help people in need.
(..) and reduce us for the moment to a strictly visual pursuit. I emphasize for the moment, because we will get on our game, and we will find this thing. It is imperative that we do so. Captain, I want any and all search options on this table ASAP. Yes sir. Dr. Serizawa? Admiral William Stenz. (..)2014 Godzilla