めったにない => Rarely N3
Degree. Level, Amount
といったらない/といったらありはしない => Extremely A, Very A, A beyond description N1
Degree/ Level/Amount
にはあたらない => There's no need to A, N1
Need/Requirements
てしょうがない/てしかたがない => Very A; Really A; Extremely A N2
Degree, Level, Amount
にたえる/にたえない => Can't do A, can't stand/tolerate A, Can do A, N1
Potential, Possibility
もし~たなら => If A … N3
Conditional, While
~たい。 => Want to V N5
Verb suffixes
[全「まった」]く~ない => Not A (at all; even a little bit) N3
Not only, Not even
てたまらない => Very A; Extremely A; Really want to do 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
[頂「いただ」]く => Received N4
Give and take advice
ないものでもない/ないでもない => A is not completely impossible N1
Need/Requirements