次第で/次第だ/次第では => Depending on, So N2
次第 => as soon as ~ N2
次第だ => depending on; so ~ N2
て形 => Te form N5
Conjugate verbs
~助詞+数量      => Corresponds to the verb...of quantity N5
Quantity
副詞 + する => Having the nature of..., in condition N3
Description
一緒に => together N5
条件形 => Conditional form N4
可能形 => Potential form N4
過去形 => Past form N5
Conjugate verbs
意向形 => volitional form​ N4
使役形 => Causative form N4