や、やいなや => As soon as A, B N1
Time, Situation
た[方「ほう」]がいい => It would be better to A N4
Can, Should, Must
~がほしい => I want ~ N5
Asking and Telling
やすい => A is easy to do N4
Verb Suffixes
やら~やら => A, B, ... (examples from a list) N2
Lists, Examples
にほかならない => Only A N2
Reason, Result, Response
ほどだ => Over N2
Degree, Level, Amount
ほど~ない => A is not as C as B N4
Comparisons
てやまない => To (always) think/feel/hope/etc. A N1
Will, Decision, Doing
ほかない => There are no other methods except for A N2
(Not)only, (Not) even
てほしい => I want (person, thing) A to B (action) N4
Verb Suffixes
ない[方「ほう」]がよい => It would be better to not A N4
Can, Should, Must