~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
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
させて[頂「いただ」]きます/させてもらいます => Allow me to A N1
Miscellaneous
ずにすませる => Get something done without doing A N1
Miscellaneous
おまけに => A. In addition, B N2
(Not)only, (Not) even
[尊敬語「そんけいご」] => Respectful form of A N4
Honorifics
せいで/せいか => Because of A, B N3
Reason, Result, Response
だけましだ => Although A, B is (still) true (and is good) N2
Contrast,Surprise
だけではすまない => Doing A is not going to suffice N1
Miscellaneous