[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
を[禁「きん」]じ[得「え」]ない => Can't help but do A, can't hold back from A (emotional response to something) N1
Will, Decision, Doing
~ます/~ません => Polite, present form N5
Verb suffixes
~ました/~ませんでした => Polite, past form of verb N5
Verb suffixes
[最中「さいちゅう」] => In the middle of A N3
Time, Situation
[禁止「きんし」] => Don't do N4
Can, Should, Must
~ませんか => Let's…, Would you like to... N5
Verb suffixes
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
て下さいませんか => Please do A (polite) N5
Asking and Telling
をくださいませんか => Please give me A (polite) N5
Asking and Telling
たとたん => As soon as A (occured), B N3
Time, Situation