~ませんか => Let's…, Would you like to... N5
Verb suffixes
~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
ところだった => About to… N3
Will, Decision, Doing
をくださいませんか => Please give me A (polite) N5
Asking and Telling
せいで/せいか => Because of A, B N3
Reason, Result, Response
までだ/までのことだ => Only A (will be done) N1
(Not)only , (Not) even
と[相「あい」]まって => Along with A N1
Lists, examples
させて[頂「いただ」]きます/させてもらいます => Allow me to A N1
Miscellaneous
ことになっている => Plan, rule, decide N2
Information, Report
~ました/~ませんでした => Polite, past form of verb N5
Verb suffixes
や、やいなや => As soon as A, B N1
Time, Situation