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.
(..) human or animal, that exists without a sexual dimension? They have sexuality as an evolutionary reproductive need. What imperative does a gray box have to interact with another gray box? Can consciousness exist without interaction? (..)2014 Ex Machina