までだ/までのことだ => Only A (will be done) N1
(Not)only , (Not) even
まま => Still, unchange N4
Situations and Experiences
ずにはすまない/ないではすまない => A must be done N1
Potential, Possibility
あまり~ない => Not very ~ N5
Amount
~ます/~ません => Polite, present form N5
Verb suffixes
ままに => Do B as/like A N2
Adjectival, Descriptions
てもかまわない => No problem N4
Can, Should, Must
ないまでも => Even if A isn't done N1
(Not)only , (Not) even
までもない => It's not necessary for A N1
Need/Requirements
~ました/~ませんでした => Polite, past form of verb N5
Verb suffixes
てやまない => To (always) think/feel/hope/etc. A N1
Will, Decision, Doing
てしまう => Did something N4
Secondary Verb