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From a trade exchange of artists from ancient Crete, people in other countries learned a method that artists are able to use painting pigment into wet plaster for extending the durability of murals, now known as fresco.

From a trade exchange of artists from ancient Crete,: Modifier + comma should modify the noun in the subsequent independent clause

people: Subject

in other countries---> Prepositional phrase

learned : Verb---> "Learned what a method"

a method that: Correct idiom a method + that

artists are: Subject Verb agreement is ok but are is present tense, we are talking about past tense. Therefore, there is an error

able to use painting pigment into wet plaster for extending the durability of murals, now known as fresco.----> Correct meaning and grammatical wise

A. that artists are able to use painting pigment into wet plaster for extending the durability of murals---> Tense problem
B. that artists could use to extend the durability of murals by painting pigment into wet plaster---> Correct
C. for artists who could use painting pigment into wet plaster to extend the durability of murals---> Incorrect

Method for is not an incorrect idiom....but meaning wise it should be method that

Correct way "Method for" : Some historians attribute the eventual development of accurate METHODS FOR measuring longitude to the monetary prizes offered by various governments.


D. for the durability of murals to be extended by artists painting pigment into wet plaster----> Same as C Incorrect
E. of artists able to extend with painting pigment into wet plaster the durability of murals Method of artist: is awkward meaning wise Incorrect
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From a trade exchange of artists from ancient Crete, people in other countries learned a method that artists are able to use painting pigment into wet plaster for extending the durability of murals, now known as fresco.

A. that artists are able to use painting pigment into wet plaster for extending the durability of murals
B. that artists could use to extend the durability of murals by painting pigment into wet plaster
C. for artists who could use painting pigment into wet plaster to extend the durability of murals
D. for the durability of murals to be extended by artists painting pigment into wet plaster
E. of artists able to extend with painting pigment into wet plaster the durability of murals


imo : B
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A. that artists are able to use painting pigment into wet plaster for extending the durability of murals
Incorrect
Tense error. Past tense should have been used.
Also I find - to use painting pigment for extending erroneous.

B. that artists could use to extend the durability of murals by painting pigment into wet plaster
Correct
Could use is fine.
Use to is fine


C. for artists who could use painting pigment into wet plaster to extend the durability of murals
Incorrect
People learned a method 'for artists' is not making sense

D. for the durability of murals to be extended by artists painting pigment into wet plaster
Incorrect
Passive structure
Painting pigment into wet plaster is modifying artists. Should modify the verb extend instead.

E. of artists able to extend with painting pigment into wet plaster the durability of murals
Incorrect
This sentence does not make any sense

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From a trade exchange of artists from ancient Crete, people in other countries learned a method that artists are able to use painting pigment into wet plaster for extending the durability of murals, now known as fresco.

A. that artists are able to use painting pigment into wet plaster for extending the durability of murals
<incorrect> usage of able and use does not convey meaning precisely. However, the modifier "now known as" correctly points to the method.
B. that artists could use to extend the durability of murals by painting pigment into wet plaster
<correct> Conveys the correct meaning
C. for artists who could use painting pigment into wet plaster to extend the durability of murals
<incorrect> Usage of "for artists" does not convey the correct meaning. The intended meaning is to describe the method.
D. for the durability of murals to be extended by artists painting pigment into wet plaster
<incorrect> method is learned for the durability conveys incorrect meaning.
E. of artists able to extend with painting pigment into wet plaster the durability of murals
<incorrect> verb usage of "able" is incorrect with no proper noun reference for "able". Conveys a non-sensical meaning

EMPOWERgmatVerbal
Is the comma after murals correct?
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Official Explanation

From a trade exchange of artists from ancient Crete, people in other countries learned a method that artists are able to use painting pigment into wet plaster for extending the durability of murals, now known as fresco.

A. that artists are able to use painting pigment into wet plaster for extending the durability of murals
B. that artists could use to extend the durability of murals by painting pigment into wet plaster
C. for artists who could use painting pigment into wet plaster to extend the durability of murals
D. for the durability of murals to be extended by artists painting pigment into wet plaster
E. of artists able to extend with painting pigment into wet plaster the durability of murals

After a quick glance over the options, there are several differences in how these are organized and worded. This means we may have to look for “larger” grammatical issues, such as modifier agreement, organization, and clear meaning. However, there are a few places we can focus on to narrow down our options before getting into the larger issues:

1. that artists / for artists / by artists / of artists (Active/Passive Voice; Meaning)
2. are able to use / could use / able (Verb Tense)
3. for extending / to extend / to be extended (Verb Choice)


Let’s start with #1 on our list because it should be a pretty easy grammar issue to tackle: active vs. passive voice. We need to make sure that the person/thing DOING the action is first, and the actions they perform come after. It’s also a good idea to check that the phrases “that/for/of/by artists” make logical sense for the overall intended meaning:

A. that artists are able to use painting pigment into wet plaster for extending the durability of murals = OKAY (puts focus on the artists doing the actions)

B. that artists could use to extend the durability of murals by painting pigment into wet plaster = OKAY (puts focus on the artists doing the actions)

C. for artists who could use painting pigment into wet plaster to extend the durability of murals = OKAY (puts focus on the artists doing the actions)

D. for the durability of murals to be extended by artists painting pigment into wet plaster = WRONG (the artists are pushed between the two “action” phrases, making this passive voice)

E. of artists able to extend with painting pigment into wet plaster the durability of murals = WRONG (While the artists are put first here, the phrase “method of artists” doesn’t make sense – artists are not the method here. The artists also don’t own the method, so using “of artists” just doesn’t work.)

We can eliminate options D & E because they’re either in passive voice or the phrasing doesn’t make sense. Now that we have it narrowed down to 3 options, let’s look more carefully at the overall organization and meaning of each one. To make problems easier to spot, let’s also add in a bit of the non-underlined portion:

A. …people in other countries learned a method that artists are able to use painting pigment into wet plaster for extending the durability of murals

This is INCORRECT for a couple of reasons. First, the phrase “are able to use” sounds clunky and awkward here. It sounds a bit like a run-on sentence, instead of a modifier. Second, the GMAT does NOT like using the combination “for verb+ing” whenever possible. So let’s rule this out.

B. …people in other countries learned a method that artists could use to extend the durability of murals by painting pigment into wet plaster

This is our CORRECT option! The meaning is clear and concise, it uses active voice, and it eliminates the “for verb+ing” issue in option A!

C. …people in other countries learned a method for artists who could use painting pigment into wet plaster to extend the durability of murals

This is INCORRECT because it changes the intended meaning! Adding in that extra “who” changes the meaning from “any artists can use this method” to “ONLY artists who could use painting pigment can use this method.”


There you have it – option B is our winner!


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ravigupta2912
A. that artists are able to use painting pigment into wet plaster for extending the durability of murals -- Incorrect. Tense issue. Artists "are" should be in past tense simple the sentence is talking about a past event. Causal relationship in the sentence is weakened aka "Extend durability" --> by painting pigment into wet plaster. Incorrect.

B. that artists could use to extend the durability of murals by painting pigment into wet plaster - No issues. Correct.

C. for artists who could use painting pigment into wet plaster to extend the durability of murals - "for artists" Incorrect idiom.

D. for the durability of murals to be extended by artists painting pigment into wet plaster -- same as C

E. of artists able to extend with painting pigment into wet plaster the durability of murals -- same as C. "of artists" is incorrect idiom. Also "durability of murals" is far from "able to extend". Not a good construction. No preposition such as "by" to indicate a causal relationship.

Well done ravigupta2912! You cracked the code on this one! Kudos to you, and have a great weekend! :) :thumbsup:
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winterschool
From a trade exchange of artists from ancient Crete, people in other countries learned a method that artists are able to use painting pigment into wet plaster for extending the durability of murals, now known as fresco.

A. that artists are able to use painting pigment into wet plaster for extending the durability of murals Incorrect

past form required - are
meaning awkward - are able to use painting
gerund form is wrong - extending

B. that artists could use to extend the durability of murals by painting pigment into wet plaster Correct

seems good

C. for artists who could use painting pigment into wet plaster to extend the durability of murals Incorrect

method for - wrong
meaning change

D. for the durability of murals to be extended by artists painting pigment into wet plaster Incorrect

meaning awkward - ...method for the durability of murals...

E. of artists able to extend with painting pigment into wet plaster the durability of murals Incorrect

...method of artist .....- wrong

Another great catch, winterschool! Kudos to you! :) :thumbsup:
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prateekchugh
From a trade exchange of artists from ancient Crete, people in other countries learned a method that artists are able to use painting pigment into wet plaster for extending the durability of murals, now known as fresco.

From a trade exchange of artists from ancient Crete,: Modifier + comma should modify the noun in the subsequent independent clause

people: Subject

in other countries---> Prepositional phrase

learned : Verb---> "Learned what a method"

a method that: Correct idiom a method + that

artists are: Subject Verb agreement is ok but are is present tense, we are talking about past tense. Therefore, there is an error

able to use painting pigment into wet plaster for extending the durability of murals, now known as fresco.----> Correct meaning and grammatical wise

A. that artists are able to use painting pigment into wet plaster for extending the durability of murals---> Tense problem
B. that artists could use to extend the durability of murals by painting pigment into wet plaster---> Correct
C. for artists who could use painting pigment into wet plaster to extend the durability of murals---> Incorrect

Method for is not an incorrect idiom....but meaning wise it should be method that

Correct way "Method for" : Some historians attribute the eventual development of accurate METHODS FOR measuring longitude to the monetary prizes offered by various governments.


D. for the durability of murals to be extended by artists painting pigment into wet plaster----> Same as C Incorrect
E. of artists able to extend with painting pigment into wet plaster the durability of murals Method of artist: is awkward meaning wise Incorrect

Great explanation, prateekchugh! It's nice to see your thought process on this one! Kudos to you! :) :thumbsup:
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awichal
From a trade exchange of artists from ancient Crete, people in other countries learned a method that artists are able to use painting pigment into wet plaster for extending the durability of murals, now known as fresco.

A. that artists are able to use painting pigment into wet plaster for extending the durability of murals
B. that artists could use to extend the durability of murals by painting pigment into wet plaster
C. for artists who could use painting pigment into wet plaster to extend the durability of murals
D. for the durability of murals to be extended by artists painting pigment into wet plaster
E. of artists able to extend with painting pigment into wet plaster the durability of murals


imo : B

You got it awichal! To qualify for the kudos contest, make sure to add in a short explanation for why each option is correct/incorrect! Looking forward to seeing how you tackle future questions here! :) :thumbsup:
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mona2019
A. that artists are able to use painting pigment into wet plaster for extending the durability of murals
Incorrect
Tense error. Past tense should have been used.
Also I find - to use painting pigment for extending erroneous.

B. that artists could use to extend the durability of murals by painting pigment into wet plaster
Correct
Could use is fine.
Use to is fine


C. for artists who could use painting pigment into wet plaster to extend the durability of murals
Incorrect
People learned a method 'for artists' is not making sense

D. for the durability of murals to be extended by artists painting pigment into wet plaster
Incorrect
Passive structure
Painting pigment into wet plaster is modifying artists. Should modify the verb extend instead.

E. of artists able to extend with painting pigment into wet plaster the durability of murals
Incorrect
This sentence does not make any sense

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Great job mona2019! You cracked the code on this one! Kudos to you! :) :thumbsup:
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Gmat410
From a trade exchange of artists from ancient Crete, people in other countries learned a method that artists are able to use painting pigment into wet plaster for extending the durability of murals, now known as fresco.

A. that artists are able to use painting pigment into wet plaster for extending the durability of murals
<incorrect> usage of able and use does not convey meaning precisely. However, the modifier "now known as" correctly points to the method.
B. that artists could use to extend the durability of murals by painting pigment into wet plaster
<correct> Conveys the correct meaning
C. for artists who could use painting pigment into wet plaster to extend the durability of murals
<incorrect> Usage of "for artists" does not convey the correct meaning. The intended meaning is to describe the method.
D. for the durability of murals to be extended by artists painting pigment into wet plaster
<incorrect> method is learned for the durability conveys incorrect meaning.
E. of artists able to extend with painting pigment into wet plaster the durability of murals
<incorrect> verb usage of "able" is incorrect with no proper noun reference for "able". Conveys a non-sensical meaning

EMPOWERgmatVerbal
Is the comma after murals correct?

Well done Gmat410! Kudos to you!

To answer your question:

Yes, the comma after "murals" is correct. If we take it out, it changes the meaning slightly. Here's how:

From a trade exchange of artists from ancient Crete, people in other countries learned a method that artists could use to extend the durability of murals by painting pigment into wet plaster, now known as fresco. = a modifier that explains what the method is called :thumbsup:

From a trade exchange of artists from ancient Crete, people in other countries learned a method that artists could use to extend the durability of murals by painting pigment into wet plaster now known as fresco. = the type of plaster used is called "fresco," which is not true :thumbdown:

Hope that clears it up! :) :thumbsup:
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