がちです/がちになる => A tends to become/happen/occur N2
Potential, Possibility
ことになっている => Plan, rule, decide N2
Information, Report
ことにする => Decide to N4
Causative, Passive, Volitional
はもちろん/はもとより => Although A is given/obvious; B N3
List, Examples
たち => Plural form N5
Amount
ことになる => To decide that A N4
Causative, Passive, Volitional
ないと,なくちゃ => Must do A N3
Needs, Requirement
てくれる => Do for someone. N4
Give and take advice
と、と、どちらが~ => Which is more C, A or B N4
Comparisons
に[違「ちが」]いない => Without a doubt, A N2
Information, Report
か~ないかのうちに => Right after A, C N2
Time, Situation
たことにする => To do/act/pretend as if A N1
Will, Decision, Doing