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Anonymous Posted 7 years ago
Grammar

An example mainframe operating system

Why isn't it "An example of mainframe operating system"?


"An example mainframe operating system is OS/390, a descendant of OS/360."

  

Top answer

anonymous Why isn't it "An example of mainframe operating system"? Yeah, the writer got a little tricky there. It is right, but you don't expect it, and it is nested deep.

  • anonymous Why isn't it "An example of mainframe operating system"?
  • Yeah, the writer got a little tricky there.
  • It is right, but you don't expect it, and it is nested deep.
  • "Example" is used as an adjective in the sentence, it being an attributive noun.
  • It's like "sample test questions".
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2 Answers
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anonymousWhy isn't it "An example of mainframe operating system"?

Yeah, the writer got a little tricky there. It is right, but you don't expect it, and it is nested deep. "Example" is used as an adjective in the sentence, it being an attributive noun. It's like "sample test questions". "Of" would be ungrammatical.

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In "an example mainframe operating system", the word "example" is like an adjective.

anonymousWhy isn't it "An example of mainframe operating system"?

This is not correct. It would have to be "an example of a mainframe operating system".

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