ば~ほど => The more A, C N3
Degree. Level, Amount
ことは~が => Although A is true, C N3
Contrast
も~ば~も/も~なら~も => A is B and C is D; neither A is B nor C is D N2
Lists, Examples
ほど~ない => A is not as C as B N4
Comparisons
か~ないかのうちに => Right after A, C N2
Time, Situation
も~なら、も~だ => Both A/B and C/D are bad. N1
Miscellaneous
より~の[方「ほう」]が~ => B is more C than A N4
Comparisons
と、と、どちらが~ => Which is more C, A or B N4
Comparisons
さえ~ば => If only A/B, then C, If only A occurs, then B N2
Conditional, While