じゃありません => not to be N5
Emphasize negative meaning
せいにする => Blame... N2
Cause, reason
させてあげる => (Allow) N4
Allow
てみせる => I'll show you ~ N4
Purpose, target
姿を見せる => figure; appearance N3
Ability
じゃありませんでした => was not, were not N5
Emphasize negative meaning
~あるまじき => ~ Unacceptable, not allowed N1
Ban
そうじゃありません => Not like that, Not that way N5
Confirm
させてくれる => Let me... N4
Allow
...が...を...みせる => make it look like... N4
Base, base
どうせ ... いじょう/どうせ ... からには => anyhow; in any case; at any rate; after all; no matter what N3
Necessity, obligation
をはじめ/をはじめとする => For example, A N2
Lists, Examples