[中心「ちゅうしん」]に => With A as the center N2
Miscellaneous
[謙譲語「けんじょうご」] => Humble form of A, humble form of する verbs N4
Honorifics
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
~ましょう。 => Let's (together), Shall I/we…? N5
Verb suffixes
がちです/がちになる => A tends to become/happen/occur N2
Potential, Possibility
でしょう => I think... Probably.., I wonder if... N5
Miscellaneous
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[反「はん」]して/に[反「はん」]し/に[反「はん」]する/に[反「はん」]した => In contrast to A N2
Contrast,Surprise
ないと,なくちゃ => Must do A N3
Needs, Requirement
に[違「ちが」]いない => Without a doubt, A N2
Information, Report
んです => Because, by… N4
Situations and Experiences