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0312gmat
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The old buildings located at the center of city of Bangkok, though the 10 Mar 2020, 13:12
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Difficulty:

45% (medium)

Question Stats:

53% (00:59) correct 47% (01:24) wrong based on 290 sessions

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The old buildings located at the center of city of Bangkok, though they have been altered and restored many times for
the last several decades, are the living proof of Azttyat culture.


A. though they have been altered and restored many times for the last several decades
B. although they were altered and restored many times for the last several decades
C. although they have been altered and have been restored many times for the last several decades
D. though altered and restored many times for the last several decades
E. although they had been altered and were restored many times for the last several decades


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My friend showed me this question so not sure where the question is from. Need answers to validate. IMO D?
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D
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AndrewN
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The old buildings located at the center of city of Bangkok, though the 10 Mar 2020, 16:59
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yeonsu3
The old buildings located at the center of city of Bangkok, though they have been altered and restored many times for
the last several decades, are the living proof of Azttyat culture.


A. though they have been altered and restored many times for the last several decades
B. although they were altered and restored many times for the last several decades
C. although they have been altered and have been restored many times for the last several decades
D. though altered and restored many times for the last several decades
E. although they had been altered and were restored many times for the last several decades


My friend showed me this question so not sure where the question is from. Need answers to validate. IMO D?
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Hello, yeonsu3. I concur with your opinion. It is fine to use a though or although clause marker and omit the subject, so they is not required. Consider the sentence, Although injured, the horse sprinted through the last leg and won the race. We do not need an it placeholder. Apart from this issue, (B) can be ruled out because it does not indicate an ongoing action in the present perfect that agrees with for the last several decades. (C) can be eliminated because of the unnecessary double have been. It is fine to indicate have been A and B, as in, I have been running and cycling several times a week. Choice (E) is a mess, with a past perfect when the present perfect is called for and a mismatched verb tense to boot: had been and were are not parallel. Between choices (A) and (D), the former uses an unnecessary they have been, making (D) more concise.

If you do find the source of the question, please post it. And if you have further questions or comments, feel free to share. Good luck with your studies.

- Andrew
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The old buildings located at the center of city of Bangkok, though the 10 Mar 2020, 17:21
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yeonsu3
The old buildings located at the center of city of Bangkok, though they have been altered and restored many times for
the last several decades, are the living proof of Azttyat culture.


A. though they have been altered and restored many times for the last several decades
B. although they were altered and restored many times for the last several decades
C. although they have been altered and have been restored many times for the last several decades
D. though altered and restored many times for the last several decades
E. although they had been altered and were restored many times for the last several decades


My friend showed me this question so not sure where the question is from. Need answers to validate. IMO D?
Hello, yeonsu3. I concur with your opinion. It is fine to use a though or although clause marker and omit the subject, so they is not required. Consider the sentence, Although injured, the horse sprinted through the last leg and won the race. We do not need an it placeholder. Apart from this issue, (B) can be ruled out because it does not indicate an ongoing action in the present perfect that agrees with for the last several decades. (C) can be eliminated because of the unnecessary double have been. It is fine to indicate have been A and B, as in, I have been running and cycling several times a week. Choice (E) is a mess, with a past perfect when the present perfect is called for and a mismatched verb tense to boot: had been and were are not parallel. Between choices (A) and (D), the former uses an unnecessary they have been, making (D) more concise.

If you do find the source of the question, please post it. And if you have further questions or comments, feel free to share. Good luck with your studies.

- Andrew
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Thank you Andrew!!

A Quick question : since this sentence uses "for the last several decades" I assume we need to use "have been". Can this be shortened to just "Though -ed"?
I was confused between A and D.
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The old buildings located at the center of city of Bangkok, though the 10 Mar 2020, 17:54
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yeonsu3

Thank you Andrew!!

A Quick question : since this sentence uses "for the last several decades" I assume we need to use "have been". Can this be shortened to just "Though -ed"?
I was confused between A and D.
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The short answer is yes, you can use although + -ed as a subordinate clause without the extra have been. See, for instance, this post by former Manhattan Prep instructor Ron Purewal on the subject. (You should see two sentences that mention James and his lack of training in medicine.) Scroll down the page for as much information as you would want on the topic.

Happy reading.

- Andrew
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The old buildings located at the center of city of Bangkok, though the 12 Oct 2021, 02:00
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Dear Friends,

Here is a detailed explanation to this question-
0312gmat
The old buildings located at the center of city of Bangkok, though they have been altered and restored many times for the last several decades, are the living proof of Azttyat culture.


A. though they have been altered and restored many times for the last several decades
B. although they were altered and restored many times for the last several decades
C. although they have been altered and have been restored many times for the last several decades
D. though altered and restored many times for the last several decades
E. although they had been altered and were restored many times for the last several decades

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Concepts tested here: Tenses + Awkwardness/Redundancy

A: This answer choice uses the needlessly wordy construction "they have been altered and restored", leading to awkwardness and redundancy.

B: This answer choice incorrectly uses the simple past tense verbs "were altered" and "were...restored" to refer to actions that concluded in the past but continue to affect the present; please remember, the present perfect tense (marked by the use of the helping verb “has/have”) is used to describe events that concluded in the past but continue to affect the present and the simple past tense is used to refer to events that concluded in the past.

C: This answer choice uses the needlessly wordy construction "they have been altered and have been restored", leading to awkwardness and redundancy.

D: Correct. This answer choice avoids the tense errors seen in Options B and E, as it uses the noun modifiers "altered" and "restored" rather than active verbs, such as "had been altered" and "were restored". Further, Option D is free of any awkwardness or redundancy.

E: This answer choice incorrectly uses the past perfect tense verb "had been altered" and the simple past tense verb "were restored" to refer to actions that concluded in the past but continue to affect the present; please remember, the present perfect tense (marked by the use of the helping verb “has/have”) is used to describe events that concluded in the past but continue to affect the present; the past perfect tense (marked by the use of helping verb "had") is used when a sentence contains two actions in the past; the helping verb "had" is used with the action in the "greater past", and the simple past tense is used to refer to events that concluded in the past.

Hence, D is the best answer choice.

Additional Note: Please note that in Options A and C, the verb phrases "have been altered" and "have been restored" are not present perfect continuous tense verbs; they are simple the passive versions of the present perfect tense verbs "have altered" and "have restored".

To understand the concept of "Simple Tenses" on GMAT, you may want to watch the following video (~1 minute):



To understand the concept of "Past Perfect Tense" on GMAT, you may want to watch the following video (~2 minutes):



To understand the concept of "Present Perfect Tense" on GMAT, you may want to watch the following video (~2 minutes):



All the best!
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All the best!
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