使役形 => Causative form N4
~V使役受身      => causative-passive form N4
Conjugate verbs
決して~ない => never; by no means ~ N3
[使「し」][役「えき」] => Coercive, permission, allow, make N4
Causative, Passive, Volitional
[決「けっ」]して~ない => Won’t, isn’t N3
Will, Decision, Doing
に行く/に来る/に帰る => go/arrive/go back (to do something) N5
[使「し」][役「えき」][受「う」]け[身「み」] => Imperative N4
Causative, Passive, Volitional
に決まっている => certainly; I’m sure/certain that; it must be the case that ~ N2
に[決「き」]まっている => A is a given, A must be the case N2
Information, Report
へ => Go to N, head to N , Often followed by verbs like 行く/いく, 来る/くる, 向かう/むかう… N5
Particles