ていられない => Cannot continue to A N2
Needs, Requirements
てばかりはいられない => Cannot always A N2
Needs, Requirements
ずにはいられない/ないではいられない => Can't help but A; A is unavoidable N2
Will, Decision, “Doing”
なければならない => Must do A; have to A N4
Can, Should, Must
てくれる => Do for someone. N4
Give and take advice
てならない => Very A; Extremely A N2
Degree, Level, Amount
て[以来「いらい」] => After A, B (continuous action/condition N2
Information, Report
[命令「めいれい」] => Do A (command) N4
Can, Should, Must
とみられる => It is thought/said to (be) A N1
Information, Report
それなら => If A is the case, then (let's) B N2
Reason, Result, Response
につれて => As A changes, B changes (together) N2
Information, Report
てくれてありがとう => Thank you for doing A N4
Honorifics