かれ~かれ => A or B N1
Lists, examples
~かれ~かれ      => sooner or later; more or less N1
かもしれない => might; perhaps; indicates possibility N4
たしかに/なるほど~かもしれない => might; perhaps N3
Speculation
もしかすると/もしかしたら~かもしれない => perhaps; maybe; perchance; by any chance ~ N3
~ 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)
それから => Afterward, from that N5
Happens next
どれですか => Which one N5
Confirm
あるいは~かもしれない => Or maybe... perhaps N4
Line up, list
~かもしれない => Might A, maybe A, perhaps A N4
Sentence Endings
からすると/からすれば/からしたら => judging from; considering; by the look of ~ N2