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Stenka25 Posted 13 years ago
Vocabulary

“have been past participle” vs. “be past participle”

The sentence below is from a website as follows:
http://www.dmmserver.com/DialABook/978/145/200/9781452004273.html

In this sentence, as a result of false reasoning the author presents the underlined developments of three undesirable things. As you see, the third development is presented with “have been p.p (i.e. past participle)” structure as opposed to “be p.p.” structure of the first and second developments.

Can you tell me why the author used the “have been p.p” in place of “be p.p.”?

Is there any specific purpose for this differentiation of tenses?

Alas, in the end most of these funds are wasted, valuable time is lost, and the problem has not been solved.
  

Top answer

”? Because 'the problem has solved' is not a possible formation. Problems are solved by people; they do not solve themselves.

  • ”?
  • Because 'the problem has solved' is not a possible formation.
  • Problems are solved by people; they do not solve themselves.
  • 'Solved' is a transitive verb.
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4 Answers
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Stenka25Can you tell me why the author used the “have been p.p” in place of “be p.p.”?
Because 'the problem has solved' is not a possible formation. Problems are solved by people; they do not solve themselves. 'Solved' is a transitive verb.
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Excuse me, Mister Micawber.
I think you don't get what I mean.
I'm asking why "the problem has not been solved" is used, in place of "the problem is not solved."
Either way "solve" is a transitive verb.
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Stenka25I'm asking why "the problem has not been solved" is used, in place of "the problem is not solved."
The writer is evidently more considered with the action (or failure of action) than the condition.
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Stenka25Is there any specific purpose for this differentiation of tenses?
You could have all three with the same tense, either present or present perfect, so it's the author's choice. To my ear, the last one is changed to the present perfect to say ... and the problem (therefore / as a result) ends up not being solved, in other words to call att

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