sophiesaurabh wrote:Option (C) tends to covey that the air that forms crests and troughs is moving rapidly "right now" because of the use of present continuous tense. Isn't that not the intended meaning? should it not be "moves rapidly"?
I know since it is an OG OA, it must be correct, but what is the fault with my logic?
Please explain.
the "right now" sense of this tense applies when it is used in the
main clause of a sentence.
however, when it is used in a subordinate clause, then its meaning isn't necessarily "right now" anymore -- the meaning is "going on at the same time as the action in the main clause, and viewed as a background / ambient event".
e.g.,
James is always calm, even when everyone else is going crazy.
--> this doesn't necessarily mean that everyone else is going crazy
right now; rather, it just means that james still, in general, remains calm when things *do* happen to be that way.
same here.
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