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Anonymous Posted 8 years ago
Grammar

What clause can't be used as appositive?

One variety of this veggie is the no.1 vegetable source of vitamin D, which researchers have begun to find may play a role in muscle building.


In this sentence, 'which' leads nonrestrictive relative clause, explaining 'vitamin D.'

I want to know if it's possible to use 'what' instead of 'which', and that clause is an appositive of 'vitamin D.'

  

Top answer

In your sentence, the "which" clause is a nonessential relative clause. " and so is set off by a comma.

  • In your sentence, the "which" clause is a nonessential relative clause.
  • " and so is set off by a comma.
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1 Answers
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In your sentence, the "which" clause is a nonessential relative clause. If you wanted to make it an appositive phrase, then it would look something like this: "One variety of this veggie is the number one vegetable source of vitamin D, a vitamin that researchers have begun to find may play a role in muscle-building."

Notice that this different construction begins not with a relative pron

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