ずじまい => Haven't done A N1
Will, Decision, Doing
~ます/~ません => Polite, present form N5
Verb suffixes
て下さいませんか => Please do A (polite) N5
Asking and Telling
どんなに => No matter how (much) A, B , B is Result N3
Adjectival, Description
にとどまらず => Not only A (but also ...) N1
(Not)only , (Not) even
をくださいませんか => Please give me A (polite) N5
Asking and Telling
どんなに~うが => No matter what A, no matter how A N1
Miscellaneous
~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
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
も[同然「どうぜん」]だ => The same as saying A, as good as A N2
Adjectival, Descriptions
[謙譲語「けんじょうご」] => Humble form of A, humble form of する verbs N4
Honorifics