じゃありませんでした => was not, were not N5
Emphasize negative meaning
なけりゃ => If not ... N2
Condition (hypothetical condition)
ゃしない => Don't/Doesn't A (at all) N1
Will, Decision, Doing
いらっしゃる => to be; to come; to go (polite version) N4
~じゃ(では)あるまいし => isn't it; I wonder if it's not ~ N1
Invite and advise
じゃありません => not to be N5
Emphasize negative meaning
ちゃんとする => Serious, tidy, complete N3
Result status
んじゃ => If ... then... N4
Condition (hypothetical condition)
ないと/なくちゃ/なきゃ => must do; need to; gotta do ~ N3
そうじゃありません => Not like that, Not that way N5
Confirm
ちゃんと => Clear, neat, dignified, complete N3
Result status
じゃないが => It's not that... but... N4
How to say the beginning