guys, if you are looking for really simple rules governing questions of style, you are going to be disappointed. in general, style is a very complicated and nuanced issue.
one thing i've noticed, though, is that you DON'T want to REPEAT prepositions, helping words, etc., unless you're doing so as part of a parallel construction.
for instance, "the extent
of the shift
of..." is considered awkward and undesirable.
note that problems will actually go out of their way to avoid such situations. for instance, look at the following thread:
https://www.beatthegmat.com/australian-e ... 18654.html
the correct answer to that problem uses "evidence to suggest...", which is <i>far</i> less common than "evidence that suggests..."
(note that both of them are grammatically ok)
the only reason they're doing that is to avoid the undesirable repetition of "that". if you pick (a), you have "evidence
that suggests
that...", and that's ugly again.
in PARALLEL CONSTRUCTIONS, however, repeated prepositions or "that"s are totally ok. for instance,
the reason is not so much that NOUN1 VERB1 as that NOUN2 VERB2
and
there were ants on the counters and on the shelves
are totally ok, since they are parallel constructions.
Ron has been teaching various standardized tests for 20 years.
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