受身形 => Passive voice N4
~V使役受身      => causative-passive form N4
Conjugate verbs
のを知っていますか => Do you know...? N4
[受「う」]け[身「み」] => Passive, be V-ed. N4
Causative, Passive, Volitional
かも[知「し」]れない => Might A, maybe A, perhaps A N3
Sentence Endings
[使「し」][役「えき」][受「う」]け[身「み」] => Imperative N4
Causative, Passive, Volitional