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Tkacka15 Posted 8 years ago
Grammar

What they want to do is zero in on the protesters.

"What they want to do is zero in on the protesters."

(The Guardian.)

What they want to do - a subject where "What" is a fused relative pronoun;

is - a linking verb;

zero in on the protesters - a complement where "zero in" is a phrasal verb.

Is my parsing acceptable?

  

Top answer

What they want to do is zero in on the protesters. Yes, this is a fused relative construction, where the underlined element is a noun phrase functioning as subject. The infinitival clause zero in on the protesters is subjective predicative complement of "be".

  • What they want to do is zero in on the protesters.
  • Yes, this is a fused relative construction, where the underlined element is a noun phrase functioning as subject.
  • The infinitival clause zero in on the protesters is subjective predicative complement of "be".
  • It's called a 'reversible' specifying construction because the subject and complement can be switched: Zero in on the protesters is what they want to do.
  • Note also that to could be added to the verb, thus ...
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1 Answers
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What they want to do is zero in on the protesters.

Yes, this is a fused relative construction, where the underlined element is a noun phrase functioning as subject.

The infinitival clause zero in on the protesters is subjective predicative complement of "be".

It's called a 'reversible' specifying construction because the subject and complement can be switched:

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