ずじまい => Haven't done A N1
Will, Decision, Doing
~ます/~ません => Polite, present form N5
Verb suffixes
~ませんか => Let's…, Would you like to... N5
Verb suffixes
~ました/~ませんでした => Polite, past form of verb N5
Verb suffixes
あまり~ない => Not very ~ N5
Amount
んばかり => Seems like A, Seems as if A N1
Adjectival, Descriptions
[謙譲語「けんじょうご」] => Humble form of A, humble form of する verbs N4
Honorifics
て下さいませんか => Please do A (polite) N5
Asking and Telling
あまり => Too A, Too much A, Overwhelming A N2
Degree, Level, Amount
をくださいませんか => Please give me A (polite) N5
Asking and Telling
をはじめ/をはじめとする => For example, A N2
Lists, Examples
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