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28 Oct 2019, 05:35
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The work of mathematician Roger Penrose in the early 1970s, on the geometry of what are called aperiodic tiles, turned out to describe the architecture of a previously unknown class of crystals.
(A) what are called aperiodic tiles, turned out to describe
(B) what is called aperiodic tiles, describes
(C) aperiodic tiles, describing
(D) so-called aperiodic tiles, describe
(E) aperiodic tiles, it turned out to describe
(A) what are called aperiodic tiles, turned out to describe
(B) what is called aperiodic tiles, describes
(C) aperiodic tiles, describing
(D) so-called aperiodic tiles, describe
(E) aperiodic tiles, it turned out to describe
sampriya
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Schools: Schulich Sept '23 HEC Jan'22 Intake (D) INSEAD Jan 22 intake Erasmus RSM "22 (D) Ivey '22 (D) ISB '23 (I) NUS '23 (D)
GMAT 1: 710 Q48 V39
Posts: 302
30 Oct 2019, 08:36
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abhishek001
How can singular subject work describe a plural verb describe??
Posted from my mobile device
Posted from my mobile device
Hi,
The work of mathematician Roger Penrose in the early 1970s, on the geometry of what are called aperiodic tiles, turned out to describe the architecture of a previously unknown class of crystals.
the verb for "the work" is "turned out"
describe is actually "to-describe" to+verbs never act as verbs!
hope this helps
31 Aug 2021, 22:01
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This isn't exactly a backwards construction, since the only trouble is inside a modifier, not in the sentence core. As for "What are," this is the normal usage of "what." It takes its singular/plural cues from what follows.* Thus, we say "What is linear algebra?" or "What are qubits?" In this sentence, "what are" basically means "things that are." If it said "what is," it would mean "a thing that is."
Two examples:
I don't want to spend time debating the merits of what is clearly a doomed piece of legislature.
Many doctors at the time were highly dismissive of what are now considered the cornerstones of palliative care.
*Funny coincidence--just now I said "what follows" and nothing followed, so the default is singular.
Two examples:
I don't want to spend time debating the merits of what is clearly a doomed piece of legislature.
Many doctors at the time were highly dismissive of what are now considered the cornerstones of palliative care.
*Funny coincidence--just now I said "what follows" and nothing followed, so the default is singular.
