ないと,なくちゃ => Must do A N3
Needs, Requirement
ゃしない => Don't/Doesn't A (at all) N1
Will, Decision, Doing
ところだった => About to… N3
Will, Decision, Doing
っこない => A is definitely not possible N2
Potential, Possibility
たち => Plural form N5
Amount
ことになっている => Plan, rule, decide N2
Information, Report
がちです/がちになる => A tends to become/happen/occur N2
Potential, Possibility
といったところだ => Display an amount/level/degree A (程度) N1
Degree/ Level/Amount
うち/ないうち => While A is the case, B; While A is occuring, B, While A is not occuring, B N3
Conditional, While
に[先立「さきだ」]って/に[先立「さきだ」]ち/に[先立「さきだ」]つ => Before A occurs/takes place N2
Time, Situation
うではないか/うじゃないか => Let's go A; Why don't we A? N2
Miscellaneous
に[違「ちが」]いない => Without a doubt, A N2
Information, Report