のを知っていますか => Do you know...? N4
かも[知「し」]れない => Might A, maybe A, perhaps A N3
Sentence Endings
につけ~につけ => each time, whenever, either way N2
…けれど => Explanation N3
Exclamatory
だけ => only; just N5
...かける => Impact N3
Act
... だけ ... => as much as N3
Base, base
わけても => Especially N1
Emphasize
だけ => as much as ~ N3
けど => but; however; although ~ N5
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
けれど => but; however; although N4
How to say the beginning