[謙譲語「けんじょうご」] => Humble form of A, humble form of する verbs N4
Honorifics
~ましょう。 => Let's (together), Shall I/we…? N5
Verb suffixes
でしょう => I think... Probably.., I wonder if... N5
Miscellaneous
[以上「いじょう」] => Because of A, B (is an expected/natural result), Now that A, B, More than (or including) A , More than (or including) A N2
Reason, Result, Response
に[応「おう」]じて(は)/に[応「おう」]じ(た) => In response/reply to A, In line with A; That fits with A N2
Based, Focused, Depending on
うではないか/うじゃないか => Let's go A; Why don't we A? N2
Miscellaneous
て[頂「いただ」]けないでしょうか? => Could you please A for me? N4
Secondary Verb
てしょうがない/てしかたがない => Very A; Really A; Extremely A N2
Degree, Level, Amount
さえ/にさえ/でさえ => Even N3
Not only, Not even
[最中「さいちゅう」] => In the middle of A N3
Time, Situation
をはじめ/をはじめとする => For example, A N2
Lists, Examples
ずじまい => Haven't done A N1
Will, Decision, Doing