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A newly released study on the tectonic plates forming the Pacific

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A newly released study on the tectonic plates forming the Pacific [#permalink]

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A newly released study on the tectonic plates forming the Pacific basin indicates that by the time they had shifted even a few miles, a vast percentage of the coastline which is currently home to major world cities, because of global warming, will have already become entirely submerged.

1. by the time they had shifted even a few miles, a vast percentage of the coastline which is currently home to major world cities, because of global warming, will have already become entirely submerged
2. by the time they shift even a few miles, a vast percentage of the coastline, which is currently a home of the major world cities, will have already become entirely submerged due to global warming
3. by the time they have shifted even a few miles, a vast percentage of the coastline currently home to major world cities already will have become entirely submerged because of global warming
4. a vast percentage of the coastline that is currently home to major world cities will have already become entirely submerged due to global warming by the time they have shifted even a few miles
5. a vast percentage of the coastline that is currently home to major world cities, by the time the plates have shifted even a few miles, will become entirely submerged because of global warming
[Reveal] Spoiler: OA

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Re: A newly released study on the tectonic plates forming the Pacific [#permalink]

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New post 17 Apr 2017, 22:30
B IMO.
A- wrong tense..by the time they had shifted ....and will have already become...
C- wrong tense , should be simple future. They have shifted indicates- present perfect
D -wrong tense. Doesn't show proper timeline
E- again tense problem.

Can you please tell what's the OA??



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Re: A newly released study on the tectonic plates forming the Pacific [#permalink]

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A newly released study on the tectonic plates forming the Pacific basin indicates that by the time they had shifted even a few miles, a vast percentage of the coastline which is currently home to major world cities, because of global warming, will have already become entirely submerged.

Concepts to look for: Verb tense, idiom, pronoun reference, word order, altered intent and change of meaning

1. by the time they had shifted even a few miles, a vast percentage of the coastline which is currently home to major world cities, because of global warming, will have already become entirely submerged --- 'had shifted' is a tense error.


2. by the time they shift even a few miles, a vast percentage of the coastline, which is currently a home of the major world cities, will have already become entirely submerged due to global warming --- 'home of' is idiom error

3. by the time they have shifted even a few miles, a vast percentage of the coastline currently home to major world cities already will have become entirely submerged because of global warming -- avoids the tense, idiom and altered intent pitfalls.

4. a vast percentage of the coastline that is currently home to major world cities will have already become entirely submerged due to global warming by the time they have shifted even a few miles-- altered intent due to wrong word order. The choice suggests that the cities have shifted a few miles rather than the plates have.

5. a vast percentage of the coastline that is currently home to major world cities, by the time the plates have shifted even a few miles, will become entirely submerged because of global warming ---- Altered intent due to wrong word orders. The choice says that the plates will have submerged rather than the cities will have.
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Re: A newly released study on the tectonic plates forming the Pacific [#permalink]

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New post 18 Apr 2017, 00:41
A newly released study on the tectonic plates forming the Pacific basin indicates that by the time they had shifted even a few miles, a vast percentage of the coastline which is currently home to major world cities, because of global warming, will have already become entirely submerged.

1. by the time they had shifted even a few miles, a vast percentage of the coastline which is currently home to major world cities, because of global warming, will have already become entirely submerged
2. by the time they shift even a few miles, a vast percentage of the coastline, which is currently a home of the major world cities, will have already become entirely submerged due to global warming
3. by the time they have shifted even a few miles, a vast percentage of the coastline currently home to major world cities already will have become entirely submerged because of global warming
4. a vast percentage of the coastline that is currently home to major world cities will have already become entirely submerged due to global warming by the time they have shifted even a few miles
5. a vast percentage of the coastline that is currently home to major world cities, by the time the plates have shifted even a few miles, will become entirely submerged because of global warming

D and E changes the meaning of the sentence as if the homes have shifted instead of plates

A has tense error
had shifted is not correct
B has idiom error
house of not correct idiom it is house to

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Re: A newly released study on the tectonic plates forming the Pacific [#permalink]

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New post 18 Apr 2017, 00:48
daagh wrote:
A newly released study on the tectonic plates forming the Pacific basin indicates that by the time they had shifted even a few miles, a vast percentage of the coastline which is currently home to major world cities, because of global warming, will have already become entirely submerged.

Concepts to look for: Verb tense, idiom, pronoun reference, word order, altered intent and change of meaning

1. by the time they had shifted even a few miles, a vast percentage of the coastline which is currently home to major world cities, because of global warming, will have already become entirely submerged --- 'had shifted' is a tense error.


2. by the time they shift even a few miles, a vast percentage of the coastline, which is currently a home of the major world cities, will have already become entirely submerged due to global warming --- 'home of' is idiom error

3. by the time they have shifted even a few miles, a vast percentage of the coastline currently home to major world cities already will have become entirely submerged because of global warming -- avoids the tense, idiom and altered intent pitfalls.

4. a vast percentage of the coastline that is currently home to major world cities will have already become entirely submerged due to global warming by the time they have shifted even a few miles-- altered intent due to wrong word order. The choice suggests that the cities have shifted a few miles rather than the plates have.

5. a vast percentage of the coastline that is currently home to major world cities, by the time the plates have shifted even a few miles, will become entirely submerged because of global warming ---- Altered intent due to wrong word orders. The choice says that the plates will have submerged rather than the cities will have.


Thanks for the correction, I ignored the idiom home to :)


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Re: A newly released study on the tectonic plates forming the Pacific [#permalink]

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daagh wrote:
A newly released study on the tectonic plates forming the Pacific basin indicates that by the time they had shifted even a few miles, a vast percentage of the coastline which is currently home to major world cities, because of global warming, will have already become entirely submerged.

Concepts to look for: Verb tense, idiom, pronoun reference, word order, altered intent and change of meaning

1. by the time they had shifted even a few miles, a vast percentage of the coastline which is currently home to major world cities, because of global warming, will have already become entirely submerged --- 'had shifted' is a tense error.


2. by the time they shift even a few miles, a vast percentage of the coastline, which is currently a home of the major world cities, will have already become entirely submerged due to global warming --- 'home of' is idiom error

3. by the time they have shifted even a few miles, a vast percentage of the coastline currently home to major world cities already will have become entirely submerged because of global warming -- avoids the tense, idiom and altered intent pitfalls.

4. a vast percentage of the coastline that is currently home to major world cities will have already become entirely submerged due to global warming by the time they have shifted even a few miles-- altered intent due to wrong word order. The choice suggests that the cities have shifted a few miles rather than the plates have.

5. a vast percentage of the coastline that is currently home to major world cities, by the time the plates have shifted even a few miles, will become entirely submerged because of global warming ---- Altered intent due to wrong word orders. The choice says that the plates will have submerged rather than the cities will have.


What does 'already' modify in OA in presence of 'currently'? Usage of both 'already' and 'currently' here seems unusual.
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Re: A newly released study on the tectonic plates forming the Pacific [#permalink]

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New post 25 Apr 2017, 10:35
How do we know that they refers to the tectonic plates?

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Re: A newly released study on the tectonic plates forming the Pacific [#permalink]

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'Currently' refers to the shore that is at the moment a land area much above the sea level. having big coastal cities. But when the plates eventually start drifting and have moved even a few miles apart, the consequential displaced waters of the sea would have pushed these cities to the bottom.
These are hypothetical eventualities.
Look at a similar sentence:
Although I am already in deep debts just now as a farmer, I will have cleared all of them fully when the government will have waived all the agricultural loans a little before the next general elections.
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Re: A newly released study on the tectonic plates forming the Pacific [#permalink]

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New post 25 Apr 2017, 11:47
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deepachr
If 'they' did not refer to the plates, what else is the other eligible plural noun in the sentence?. None; therefore, plates is the correct antecedent.
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Re: A newly released study on the tectonic plates forming the Pacific [#permalink]

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New post 26 Apr 2017, 05:58
daagh wrote:
'Currently' refers to the shore that is at the moment a land area much above the sea level. having big coastal cities. But when the plates eventually start drifting and have moved even a few miles apart, the consequential displaced waters of the sea would have pushed these cities to the bottom.
These are hypothetical eventualities.
Look at a similar sentence:
Although I am already in deep debts just now as a farmer, I will have cleared all of them fully when the government will have waived all the agricultural loans a little before the next general elections.


Thanks Sir.

Would you please say something about the usage of 'already' along with 'will' in a same sentence? Already indicates past events where 'will' indicates future events. Am I correct?
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Re: A newly released study on the tectonic plates forming the Pacific [#permalink]

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Mahmud6, it's not necessarily a problem to mix the past with the future on the GMAT, regardless of whether we're talking about verb tenses, "time markers" such as "already", or a combination of both. It's completely natural to compare the past, present, and future in a single sentence, and it's something we do regularly in normal speech:

    Souvik studied hard for his GMAT, but I am a lazy person and therefore will not study for any standardized test.

No worries, right? We're using three different verb tenses, but since it makes sense with the meaning of the sentence, it's not an issue. Fundamentally, when the GMAT uses different tenses, they're just asking you to verify that the mix of tenses actually matches the intended meaning. So there really aren't many relevant rules that forbid the mixing of verb tenses in a single sentence.

And we could stick the word "already" in there, and the same ideas would apply:

    Souvik already spent 500 hours studying for his first attempt at the GMAT, so he will not study much for his second attempt.

I hope this helps!
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Re: A newly released study on the tectonic plates forming the Pacific [#permalink]

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1. already need not mean the past. If you say you are already good at Quants today, it does not mean you were good only in the past and not good in the present or in the future.

In the given case, already is in the subordinate clause and the will is in the main clause. Therefore, both are in two different settings.
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Re: A newly released study on the tectonic plates forming the Pacific [#permalink]

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New post 29 Apr 2017, 23:45
daagh wrote:
1. already need not mean the past. If you say you are already good at Quants today, it does not mean you were good only in the past and not good in the present or in the future.

In the given case, already is in the subordinate clause and the will is in the main clause. Therefore, both are in two different settings.


May be I have got the point. 'Already' is modifying currently home NOT the submerge. I slightly modify the sentence as below to get the meaning.

, a vast percentage of the coastline already currently home to major world cities will have become entirely submerged because of global warming

Am I Correct?
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A newly released study on the tectonic plates forming the Pacific [#permalink]

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Mahmud wrote
Quote:
Maybe I have the point. 'Already' is modifying currently home NOT the submerged. I slightly modify the sentence as below to get the meaning.

, a vast percentage of the coastline already currently home to major world cities will have become entirely submerged because of global warming


mahmud

1. Neither currently nor already is modifying 'submerged"; if they are either currently or already submerged, then it doesn't mean much to say that they will have become submerged in the future once again.

2. 'Already and currently' are both adverbs and therefore, they cannot modify each other nor can they be placed back to back when they essentially belong to two different sentences.
3. then, what are the verbs modified by each of these adverbs.
Quote:
By the time they have shifted even a few miles, a vast percentage of the coastline currently home to major world cities already will have become

Here if you expand the first part of the sentence a little, it will mean that a vast percentage of the coastline that is currently home to major world cities; So currently actually modifies the verb 'is' which is understood.
'Already' in the second part modifies the verb 'will have become'.
I appreciate that this is a tricky modification issue in a complicated setting
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Re: A newly released study on the tectonic plates forming the Pacific [#permalink]

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New post 07 May 2017, 08:14
daagh wrote:
A newly released study on the tectonic plates forming the Pacific basin indicates that by the time they had shifted even a few miles, a vast percentage of the coastline which is currently home to major world cities, because of global warming, will have already become entirely submerged.

Concepts to look for: Verb tense, idiom, pronoun reference, word order, altered intent and change of meaning

1. by the time they had shifted even a few miles, a vast percentage of the coastline which is currently home to major world cities, because of global warming, will have already become entirely submerged --- 'had shifted' is a tense error.


2. by the time they shift even a few miles, a vast percentage of the coastline, which is currently a home of the major world cities, will have already become entirely submerged due to global warming --- 'home of' is idiom error

3. by the time they have shifted even a few miles, a vast percentage of the coastline currently home to major world cities already will have become entirely submerged because of global warming -- avoids the tense, idiom and altered intent pitfalls.

4. a vast percentage of the coastline that is currently home to major world cities will have already become entirely submerged due to global warming by the time they have shifted even a few miles-- altered intent due to wrong word order. The choice suggests that the cities have shifted a few miles rather than the plates have.

5. a vast percentage of the coastline that is currently home to major world cities, by the time the plates have shifted even a few miles, will become entirely submerged because of global warming ---- Altered intent due to wrong word orders. The choice says that the plates will have submerged rather than the cities will have.


Thank you daagh Sir for the detailed explanation. Can you please explain why is the tense used in C (have shifted) correct? By the time and will have become indicate that we are talking of future tense here. Not sure how present perfect tense makes sense here. Kindly explain. Thanks a lot!

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Re: A newly released study on the tectonic plates forming the Pacific [#permalink]

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New post 07 May 2017, 08:31
Good Question.

Compared to many, i saw the modifier global warming and after reading the question i just followed the rule of thumb, the modifier should be as close to its modified entity as possible. I was also very careful of not running to an Of noun phrase.
Therefore, it got me to Option C.
I also knew that submerge is a verb and therefore the Idiom Due to should not be used. Unless it was written " the submerging of the major cities is due to global warming." Kind of awkward, isn't it?

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Re: A newly released study on the tectonic plates forming the Pacific [#permalink]

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New post 11 May 2017, 21:41
A newly released study on the tectonic plates forming the Pacific basin indicates that by the time they had shifted even a few miles, a vast percentage of the coastline which is currently home to major world cities, because of global warming, will have already become entirely submerged.

1. by the time they had shifted even a few miles, a vast percentage of the coastline which is currently home to major world cities, because of global warming, will have already become entirely submerged

2. by the time they shift even a few miles, a vast percentage of the coastline, which is currently a home of the major world cities, will have already become entirely submerged due to global warming

3. by the time they have shifted even a few miles, a vast percentage of the coastline currently home to major world cities already will have become entirely submerged because of global warming

4. a vast percentage of the coastline that is currently home to major world cities will have already become entirely submerged due to global warming by the time they have shifted even a few miles

5. a vast percentage of the coastline that is currently home to major world cities, by the time the plates have shifted even a few miles, will become entirely submerged because of global warming
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A newly released study on the tectonic plates forming the Pacific [#permalink]

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New post 11 May 2017, 22:12
daagh wrote:
A newly released study on the tectonic plates forming the Pacific basin indicates that by the time they had shifted even a few miles, a vast percentage of the coastline which is currently home to major world cities, because of global warming, will have already become entirely submerged.

5. a vast percentage of the coastline that is currently home to major world cities, by the time the plates have shifted even a few miles, will become entirely submerged because of global warming ---- Altered intent due to wrong word orders. The choice says that the plates will have submerged rather than the cities will have.


Hi daagh !

In my understanding,

in E: a vast percentage of the coastline that is currently home to major world cities, by the time the plates have shifted even a few miles, will become entirely submerged because of global warming

percentage of the coastline will become entirely submerged, so why you say
daagh wrote:
Altered intent due to wrong word orders. The choice says that the plates will have submerged rather than the cities will have.
?

Please help me explain the error in this sentence! Many thanks!
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Re: A newly released study on the tectonic plates forming the Pacific [#permalink]

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New post 11 May 2017, 22:35
maheshaero20 wrote:
A newly released study on the tectonic plates forming the Pacific basin indicates that by the time they had shifted even a few miles, a vast percentage of the coastline which is currently home to major world cities, because of global warming, will have already become entirely submerged.

1. by the time they had shifted even a few miles, a vast percentage of the coastline which is currently home to major world cities, because of global warming, will have already become entirely submerged
2. by the time they shift even a few miles, a vast percentage of the coastline, which is currently a home of the major world cities, will have already become entirely submerged due to global warming
3. by the time they have shifted even a few miles, a vast percentage of the coastline currently home to major world cities already will have become entirely submerged because of global warming
4. a vast percentage of the coastline that is currently home to major world cities will have already become entirely submerged due to global warming by the time they have shifted even a few miles
5. a vast percentage of the coastline that is currently home to major world cities, by the time the plates have shifted even a few miles, will become entirely submerged because of global warming


This is a modifier question.
IMO D)
The beginning Modifier Indicates that modify clause " a vast majority of the coastline that is currently home to major world cities will have already become entirely submerged due to Global warming.



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Re: A newly released study on the tectonic plates forming the Pacific [#permalink]

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New post 08 Jun 2017, 06:45
daagh wrote:
A newly released study on the tectonic plates forming the Pacific basin indicates that by the time they had shifted even a few miles, a vast percentage of the coastline which is currently home to major world cities, because of global warming, will have already become entirely submerged.

Concepts to look for: Verb tense, idiom, pronoun reference, word order, altered intent and change of meaning

1. by the time they had shifted even a few miles, a vast percentage of the coastline which is currently home to major world cities, because of global warming, will have already become entirely submerged --- 'had shifted' is a tense error.


2. by the time they shift even a few miles, a vast percentage of the coastline, which is currently a home of the major world cities, will have already become entirely submerged due to global warming --- 'home of' is idiom error

3. by the time they have shifted even a few miles, a vast percentage of the coastline currently home to major world cities already will have become entirely submerged because of global warming -- avoids the tense, idiom and altered intent pitfalls.

4. a vast percentage of the coastline that is currently home to major world cities will have already become entirely submerged due to global warming by the time they have shifted even a few miles-- altered intent due to wrong word order. The choice suggests that the cities have shifted a few miles rather than the plates have.

5. a vast percentage of the coastline that is currently home to major world cities, by the time the plates have shifted even a few miles, will become entirely submerged because of global warming ---- Altered intent due to wrong word orders. The choice says that the plates will have submerged rather than the cities will have.

Hi sir,
It may seem silly question. Sorry for troubling you.
If in B "home of" were to become "home to", would the sentence be correct ?
thank you.

Kudos [?]: 59 [0], given: 49

Re: A newly released study on the tectonic plates forming the Pacific   [#permalink] 08 Jun 2017, 06:45

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A newly released study on the tectonic plates forming the Pacific

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