~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
てしょうがない/てしかたがない => Very A; Really A; Extremely A N2
Degree, Level, Amount
て[頂「いただ」]けないでしょうか? => Could you please A for me? N4
Secondary Verb
くせして => Even though A N2
Contrast,Surprise
[謙譲語「けんじょうご」] => Humble form of A, humble form of する verbs N4
Honorifics
ことなく => Without doing A once (expressed strongly) N2
Will, Decision, “Doing”
てしまう => Did something N4
Secondary Verb
へ => Go to N, head to N , Often followed by verbs like 行く/いく, 来る/くる, 向かう/むかう… N5
Particles
ことなしには => Without doing A, B N1
Conditional, While
ようになる/なくなる => Become… N3
Time, Situation
に[越「こ」]したことはない => It's better if A, it's better if it's A N1
Comparison/ Exchange