せられたい => Please..., Let me... N3
Order
なければならない/なくてはならない/なければいけない/なくてはいけない/なければだめ/なくてはだめ => must N5
それなら(ば) => if that’s the case; if so ~ N2
と[言「い」]わせれば => On the view of N1
Based/focused/depending on
にいわせれば => if you ask...; if one may say... N1
Base, base
ばかりはいられない => can’t keep doing ~ N2
..... ばかりもいられない => can't keep doing ~ N2
Speculation
~ ば/たら~かもしれない => If only... then... N2
Regret
~ ば/たら~かもしれない => If...then maybe... N3
Condition (hypothetical condition)
…となれば => if that happens N2
Deduce
なければならない => Must do A; have to A N4
Can, Should, Must
ねばならない/ねばならぬ/ねば => have to do; must; should ~ N2