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Jeff_999 Posted 21 years ago
Grammar

Common being

Another question about the structure,

"Among the (most complex) crystals are (that) of silicon dixide, which has seven (different) structures at various temperatures and pressures,the most (common being) quartz. "

Many doubtful points here.

The answer is B.
So, I suspect that ' that ' should be 'those' (which is referring to 'crystals') according to the answer.
But another question comes up if the point above is right. Do you notice that behind 'which' we have a 'has' in italic type? Does it mean the relative pronoun 'which' refers to 'silicon dixide' (which is in singular form), then 'has' is its subordinating verb?

Additionally, what is 'common being'? These two words can work together? I never heard it before.

Thank you!!
  

Top answer

You got it! "that" should be "those". It's "has", not "have", because the antecedent of "which" is "silicon dioxide", not "crystals".

  • You got it!
  • "that" should be "those".
  • It's "has", not "have", because the antecedent of "which" is "silicon dioxide", not "crystals".
  • "They offer several flavors of ice-cream.
  • " (is >> being) "...
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1 Answers
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You got it! "that" should be "those". It's "has", not "have", because the antecedent of "which" is "silicon dioxide", not "crystals".

"They offer several flavors of ice-cream. The most popular of these flavors is vanilla." =
"They offer several flavors of ice-cream, the most popular being vanilla." (is >> being)

"... has seven structures. The most common of the

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