てしょうがない/てしかたがない => Very A; Really A; Extremely A N2
Degree, Level, Amount
~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
て[頂「いただ」]けないでしょうか? => Could you please A for me? N4
Secondary Verb
うが~うが => Whether A or B N1
Miscellaneous
~がほしい => I want ~ N5
Asking and Telling
うと~まいと,うが~まいが => Whether or not A (is/occurs) N1
Based/focused/depending on
[謙譲語「けんじょうご」] => Humble form of A, humble form of する verbs N4
Honorifics
したがって => Because of A, B N2
Reason, Result, Response
てしまう => Did something N4
Secondary Verb
と([思「おも」]う、[言「い」]う、[考「かんが」]える) => That A N4
Particles
ながらに,ながらの,ながらにして => While A, during the condition A, Since A (point in time) N1
Time, Situation