させて[頂「いただ」]きます/させてもらいます => Allow me to A N1
Miscellaneous
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
~ました/~ませんでした => Polite, past form of verb N5
Verb suffixes
たが[最後「さいご」] => Once A occurs, B happens N1
Information, Report
さえ/にさえ/でさえ => Even N3
Not only, Not even
かた => How to A N4
Verb Suffixes
~から~まで => From A to B N5
Time
を[境「さかい」]に => A is set as a border/limit N1
Degree/ Level/Amount
~ませんか => Let's…, Would you like to... N5
Verb suffixes
てもかまわない => No problem N4
Can, Should, Must
も[構「かま」]わず => Without considering A N2
Considering, Concerning