[受「う」]け[身「み」] => Passive, be V-ed. N4
Causative, Passive, Volitional
[使「し」][役「えき」][受「う」]け[身「み」] => Imperative N4
Causative, Passive, Volitional
ものの => Although A... N2
Contrast,Surprise
の => Question N5
Particles
ぐらいのものだ => Only A N1
(Not)only , (Not) even
もの => Because of A N2
Reason, Result, Response
の => Turn sentence into question N4
Sentence Endings
の => A kind of question N3
Sentence Endings
たもの => Used to N3
Sentence Endings
ので => Because A, since A N4
Cause and Effect
の+ [至「いた」]り => Very A N1
Degree/ Level/Amount
ただ~のみだ => Only A N1
(Not)only , (Not) even