いまに => Soon, in the near future N2
Short period of time
まま(に) => as, to do as ~ N2
ままになる => Just let... N4
Continuous
いまごろになって => Only now ... N3
Time
は~にいます => ...is in... (emphasis on subject) N5
Status
いまさらのように => Now... again... N2
Time
ままにする => as, to do as ~ N4
Continuous
にV-ます => Frequency N5
Repetition, habit
~ないではすまない / ずにはすまない      => must; will definitely; can't help but to ~ N1
いまだに => still, even now, until this very day N3
Invariant
ずにはすまない/ないではすまない => A must be done N1
Potential, Possibility
までになる => becoming ~ N2
Reach level