ねばならない => Must A N2
Needs, Requirements
といえば/というと/といったら => N3
Considering, Concerning
~ば => If~ N4
Conditional
てさしあげる => Do for N4
Give and take advice
てばかりはいられない => Cannot always A N2
Needs, Requirements
ともなると,ともなれば => When (the time/situation) A N1
Time, Situation
ではあるまいし => It's not like A, it isn't as if A N1
Reason, Result, Response
と[言「い」]わせれば => On the view of N1
Based/focused/depending on
かといえば => Although A is expected, B results N2
Contrast,Surprise
らしい => Seem to~ N4
Sentence Endings
そういえば => Speaking of .., A by the way, A; N2
Considering, Concerning
[際「さい」]して/に([際「さい」]し)/に[際「さい」]しての => At the time of A (which starts now).. N2
Time, Situation