いらっしゃる => to be; to come; to go (polite version) N4
~ばよかった/~たらよかった/~ばよかったのに/~たらよかったのに => If only N3
んじゃなかったか => shouldn't have... N4
Regret
... ようったって => Even if ... can't .... N2
Things do not match the prediction
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
ようではないか/ようじゃないか => Let’s do (something); Why don’t we ~ N2
ようだったら => If... N2
Condition (hypothetical condition)
にしても~にしても/にしろ~にしろ/にせよ~にせよ => whether… or ~, regardless of whether ~ N2
てよかった => I’m glad that ~ N4
よりいっそ => I'd rather... than... N2
Description
じゃありませんでした => was not, were not N5
Emphasize negative meaning