~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
~ました/~ませんでした => Polite, past form of verb N5
Verb suffixes
~ませんか => Let's…, Would you like to... N5
Verb suffixes
まま => Still, unchange N4
Situations and Experiences
てしまう => Did something N4
Secondary Verb
てまで => To the point of A N2
Degree, Level, Amount
ままに => Do B as/like A N2
Adjectival, Descriptions
をくださいませんか => Please give me A (polite) N5
Asking and Telling
てもかまわない => No problem N4
Can, Should, Must
を[踏「ふ」]まえて => Thinking of A N1
Based/focused/depending on
させて[頂「いただ」]きます/させてもらいます => Allow me to A N1
Miscellaneous