~ました/~ませんでした => Polite, past form of verb N5
Verb suffixes
させて[頂「いただ」]きます/させてもらいます => Allow me to A N1
Miscellaneous
まだしも => A is acceptable, N2
Comparison, Exchange
ずにすませる => Get something done without doing A N1
Miscellaneous
~ます/~ません => Polite, present form N5
Verb suffixes
しまつだ => Denotes negative results A N1
Reason, Result, Response
をくださいませんか => Please give me A (polite) N5
Asking and Telling
だけましだ => Although A, B is (still) true (and is good) N2
Contrast,Surprise
くせして => Even though A N2
Contrast,Surprise
~ませんか => Let's…, Would you like to... N5
Verb suffixes
てみせる => To show (the action) A N1
Will, Decision, Doing
て下さいませんか => Please do A (polite) N5
Asking and Telling