Manhattan SC guide has a matrix that lists the idioms used in OG questions. I made a list and hope this will help others:

for every X, Y
Probably not X, but more than likely Y
declares Y X
the ability
more x than y
just as X, so Y
X is more than Y
reluctant to
Unlike X, Y
estimated to be
difficulty to X
the same to X as to Y
in danger of X
ability to X
As much as ( Not so much as!! )
Credit X with Y
X is expected to Y
Between X and Y
From X to Y
Recommend that X Y
Requires X to Y
will try to
Restrictions on
Not only X but also Y
act as
doubt that
as a means to
allowed to
attribute X to Y
X is attributed to Y
admit to X
Known to X
As many X as Y
Using X as Y
Not X, but rather Y
X ordered that Y be Z'ed
purpose is expressed by "to"
rather than
either X or Y
Distinguishes between X and Y
whether to X
Consider X Y
claims to X
range from X to Y
X as an instance of Y
Mistake X for Y
think of X as Y
no less X than Y
elect to X
more X than ever
prohibity X from Y
restitution for X
both X and Y
rates for prices
allow X to be Y
better served by X than by Y
ordered X to Y
substitute X for Y
Connection between X & Y
as a result of


Cheers,

Gmat Delight