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The rare bird, considered extinct for over fifty years and actually

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Re: The rare bird, considered extinct for over fifty years and actually  [#permalink]

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New post 16 Aug 2017, 15:56
DmitryFarber wrote:
OreoShake, while I agree that the commas are overdone in D, it's also true that there are very few absolute rules in English grammar! Like it or not, sometimes writers--even GMAT writers!--will insert a comma that doesn't seem necessary. Remember that commas can serve to indicate a pause in speaking and are sometimes used to break up a sentence for greater clarity. Honestly, I was tempted to put a comma before "and are sometimes" in that last sentence, even though it's not the standard! (What do you think? Would it have made the sentence easier to read?) For a good example of a "stray" comma in an official question, see this post (including my comments): https://gmatclub.com/forum/covering-71- ... 06346.html


While, I picked D cuz the meaning in (a) the better grammatical sentence was poor. I have a bit of an issue with putting a conjunction (and) changing the verb tense and having no subject before it.

Is this allowed in English? I always thought when you do parallelism you had to keep the same tense. So normally, in English when I change tense I would have put an "IT" before has made.

https://webapps.towson.edu/ows/shifts.htm


My corrected sentence would be:

The rare bird was considered extinct for over fifty years, but it was actually thriving in a remote part of the Andes, and, over the past decade, it has made a remarkable comeback.
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Re: The rare bird, considered extinct for over fifty years and actually  [#permalink]

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New post 16 Aug 2017, 16:02
ankurgupta03 wrote:
The rare bird, considered extinct for over fifty years and actually thriving in a remote part of the Andes, has made a remarkable comeback over the past decade.

1 The rare bird, considered extinct for fifty years and actually thriving in a remote part of the Andes, has made a remarkable comeback over the past decade.
2 The rare bird, which had been considered extinct for over fifty years but it was actually thriving in a remote part of the Andes, has made a remarkable comeback over the past decade.
3 The rare bird, which was considered extinct for over fifty years and had actually been thriving in a remote part of the Andes, made a remarkable comeback over the past decade
4 The rare bird was considered extinct for over fifty years, but it was actually thriving in a remote part of the Andes, and, over the past decade, has made a remarkable comeback.
5 The rare bird was considered extinct for over fifty years, was actually thriving in a remote part of the Andes, and, over the past decade, has made an remarkable comeback.

A conditional clause is required, hence choices not containing but can be removed, so ACE can be removed.
between B and D, D wins due to parallelism. In B "it" is not required.


Why is it not required? We changed tenses and we used a conjunction. I always thought when you change verb tenses that you need to add the subject back in to be clear.

However, I picked D because the meaning was crystal clear unlike A but I am not 100% happy with D and I think it contains an error that the actual GMAT wouldn't have.
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Re: The rare bird, considered extinct for over fifty years and actually  [#permalink]

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New post 16 Aug 2017, 16:06
OreoShake wrote:
Whenever I am assured I have learnt something absolute in sentence correction, some gmat question creates ambiguity yet again.

As per my understanding, whenever we have a comma+conjunction form, it indicates the beginning of a new clause, meaning the noun/pronoun+verb form must exist.

In the correct answer choice, we find that after 'part of the Andes' comma+conjunction form is present, indicating that there should be clause following the conjunction. However we find no clause but rather "........., and, over the past decade, has made a remarkable comeback." Where is the subject/noun/pronoun ? For D to be correct, there must be no comma prior to 'and'.

I request an expert to help me with this predicament.


On top of that in (D). I thought parallelism typically means that you don't change the tense. So I am not sure if D is correct even if you drop the comma. I also believe you're rule is correct.

I do think (D) is the best of the 5 still. But I do agree that this seems to be an error.
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Re: The rare bird, considered extinct for over fifty years and actually  [#permalink]

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New post 30 Nov 2017, 07:03
This question hinges on the trick: VERB tense isn't an ISSUE.

The real hidden issues are:

* (1) essential vs non-essential modifier. (If you don't know these, Google is your friend)
* (2) parallelism within (1), preferrably showing contrast

Here it is obvious that the modifier "considered extinct for over fifty years and actually thriving in a remote part of the Andes" is ESSENTIAL as to explain the "remarkable comeback". "Extinct for over fifty years" and "actually thriving in a remote part of Andes" are contrasting points. It's preferred here to use a contrasting conjunction such as "yet", but", "however", "despite x, y" and etc..

The rare bird, considered extinct for over fifty years and actually thriving in a remote part of the Andes, has made a remarkable comeback over the past decade.

1 The rare bird, considered extinct for over fifty years and actually thriving in a remote part of the Andes, has made a remarkable comeback over the past decade.
=> Essential Modifier
No preferred contrast => Eliminate
2 The rare bird, which had been considered extinct for over fifty years but it was actually thriving in a remote part of the Andes, has made a remarkable comeback over the past decade.
=> ", which" is an Non-Essential modifier => Eliminate
Shows contrast
3 The rare bird, which was considered extinct for over fifty years and had actually been thriving in a remote part of the Andes, made a remarkable comeback over the past decade
=> ", which" is an Non-Essential modifier => Eliminate
No preferred contrast => Eliminate
4 The rare bird was considered extinct for over fifty years, but it was actually thriving in a remote part of the Andes, and, over the past decade, has made a remarkable comeback.
Modifier went into the actual sentence, by definition ESSENTIAL
Shows contrast
5 The rare bird was considered extinct for over fifty years, was actually thriving in a remote part of the Andes, and, over the past decade, has made an remarkable comeback.
Modifier went into the actual sentence, by definition ESSENTIAL
No preferred contrast => Eliminate
Bonus Mistake: "remarkable comback" is a consequence of "actually thriving" thus those cannot be stated in equal priority - parallel.

Answer:
The D

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Re: The rare bird, considered extinct for over fifty years and actually  [#permalink]

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New post 24 Dec 2017, 04:18
fozzzy wrote:
The rare bird, considered extinct for over fifty years and actually thriving in a remote part of the Andes, has made a remarkable comeback over the past decade.

1 The rare bird, considered extinct for over fifty years and actually thriving in a remote part of the Andes, has made a remarkable comeback over the past decade.
2 The rare bird, which had been considered extinct for over fifty years but it was actually thriving in a remote part of the Andes, has made a remarkable comeback over the past decade.
3 The rare bird, which was considered extinct for over fifty years and had actually been thriving in a remote part of the Andes, made a remarkable comeback over the past decade
4 The rare bird was considered extinct for over fifty years, but it was actually thriving in a remote part of the Andes, and, over the past decade, has made a remarkable comeback.
5 The rare bird was considered extinct for over fifty years, was actually thriving in a remote part of the Andes, and, over the past decade, has made an remarkable comeback.

How would you split this sentence into its clauses?


Hello :)
I excluded A C and E because the coordinating words were not coherent with the meaning of the sentence.
However between B and D I excluded B solely based on the fact that "but" was not preceded by a comma: is this logic correct?

thank you!
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Re: The rare bird, considered extinct for over fifty years and actually  [#permalink]

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New post 02 Jan 2019, 08:24
Hi GMATNinja GMATNinjaTwo

I was wondering could you please shed some light on option B? Are we solely eliminating this option on the basis of redundant use of "it" or are there any other errors as well?

Thank You!
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Re: The rare bird, considered extinct for over fifty years and actually  [#permalink]

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New post 08 Jan 2019, 07:06
Could someone please explain why option c is wrong.
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Re: The rare bird, considered extinct for over fifty years and actually  [#permalink]

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New post 08 Jan 2019, 09:13
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Leonaann wrote:
Could someone please explain why option c is wrong.


C is a great example of the emphasis the GMAT places on meaning. From a purely grammatical perspective I don't think you can say that anything is wrong with it, but when you note the contrast between "was considered extinct" and "had actually been thriving in the Andes" those two things don't go together. So joining them with "and" doesn't produce a valid, logical meaning. You wouldn't just say "I've been eating healthier and gaining weight" - those two things seem to be very incompatible...the only reason to write that sentence is to demonstrate that the input (eating healthier) is NOT leading to the predicted output (losing weight, not gaining it). The purpose of this sentence is to show that contrast between "we thought it was extinct" and "but actually it was thriving...it was just living somewhere we hadn't looked."

So phrased this way - which was considered extinct for over fifty years and had actually been thriving in a remote part of the Andes - the sentence has a meaning error. Change that "and" to a "but" and it would work. But as it's written it has a meaning problem.

Check out this official problem that tests the need for contrast the same way:

https://gmatclub.com/forum/with-only-5-percent-of-the-world-s-population-united-states-citizens-80619.html
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Re: The rare bird, considered extinct for over fifty years and actually  [#permalink]

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New post 09 Jan 2019, 19:03
We can eliminate E for "an remarkable comeback" as well right?

Also is the usage of Had in second option incorrect?
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Re: The rare bird, considered extinct for over fifty years and actually &nbs [#permalink] 09 Jan 2019, 19:03

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