... はず => it must be; it should be (expectation) N3
Cause, reason
... たはず => it must be; it should be (expectation) N4
Speculation
はずだ => it must be; it should be (expectation) N4
になると => When it becomes; when it comes to N3
Reach level
…はずだった => it must be; it should be (expectation) N3
Plan
…たりして => maybe, It could be, it is possible that… N3
Demonstrate by example
いわば => so to speak,so to call it,as it were - N3
For example, simile
ですか => Isn't it? N5
ね => isn't it? right? eh? N5
...ではないか => Isn't it... or what?, so that means... got it? (accusatory) N3
Criticize
とでもいうべき => It must be said, it can be said N1
For example, simile
~の) ならべつだが => if it were ~, it would be different, but... N1
Related, corresponding