なけりゃ => If not ... N2
Condition (hypothetical condition)
じゃありませんでした => was not, were not N5
Emphasize negative meaning
いらっしゃる => to be; to come; to go (polite version) N4
じゃありません => not to be N5
Emphasize negative meaning
んじゃなかったか => shouldn't have... N4
Regret
ゃしない => Don't/Doesn't A (at all) N1
Will, Decision, Doing
ちゃった => to do something by accident, to finish completely N3
そうじゃありません => Not like that, Not that way N5
Confirm
…たりしたら/しては => ... Such as N3
Demonstrate by example
よりいっそ => I'd rather... than... N2
Description
んじゃ => If ... then... N4
Condition (hypothetical condition)
もし~としても/もし~としたって => Assuming; Even if ~ N3