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# From 1965 on, the region’s standard of living has soared, but also unp

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Senior Manager
Joined: 21 Oct 2013
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From 1965 on, the region’s standard of living has soared, but also unp [#permalink]

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01 Apr 2014, 04:57
4
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67% (00:24) correct 33% (00:25) wrong based on 298 sessions

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From 1965 on, the region’s standard of living has soared, but also unemployment and prices,

(A) but also
(B) and also
(C) but so have
(D) and so also
(E) but so did
[Reveal] Spoiler: OA

Last edited by hazelnut on 27 Sep 2017, 18:14, edited 1 time in total.
Edited the question.

Kudos [?]: 1834 [4], given: 289

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Re: From 1965 on, the region’s standard of living has soared, but also unp [#permalink]

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02 Jan 2016, 13:32
1
KUDOS
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Re: From 1965 on, the region’s standard of living has soared, but also unp [#permalink]

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02 Jan 2016, 16:06
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goodyear2013 wrote:
From 1965 on, the region’s standard of living has soared, but also unemployment and prices,
A) but also
B) and also
C) but so have
D) and so also
E) but so did

Good question! After "but" we need a verb to have both parts parallel. So A,B and D are out. Between C and E. Here we have "from 1965 on", which means that action started in the past and is still valid. Hence we need present perfect. E is out, C is correct choice.
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Kudos [?]: 92 [0], given: 349

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Joined: 03 Sep 2015
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Re: From 1965 on, the region’s standard of living has soared, but also unp [#permalink]

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02 Jan 2016, 20:50
3
KUDOS
Expert's post
I agree that an auxiliary verb is needed to keep both sides of the question parallel. Eliminate A, B and D. The first part of the sentence uses present perfect, so the second part should also. Eliminate E. It is also interesting to ask yourself when solving some questions whether there is a contrast or not in the sentence you are considering. Soaring standards of living are positive, but rising prices and unemployment are negative, so a contrast is needed. You need “but”.
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Re: From 1965 on, the region’s standard of living has soared, but also unp [#permalink]

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21 Jan 2016, 18:54
goodyear2013 wrote:
From 1965 on, the region’s standard of living has soared, but also unemployment and prices,
A) but also
B) and also
C) but so have
D) and so also
E) but so did

A B and D elimnated.

Need a but - C & E left.

First part of sentence contains 'has'. The event started from point in the past and continues today, thus use 'have'

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Re: From 1965 on, the region’s standard of living has soared, but also unp [#permalink]

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18 Nov 2017, 01:10
Dear expert, I chose C here, but I still need a valid reason why we must write "have" or helping verb in the right hand? Why "but also" alone is not enough?

Thanks!
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Re: From 1965 on, the region’s standard of living has soared, but also unp [#permalink]

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18 Nov 2017, 02:13
1
KUDOS
Expert's post
septwibowo wrote:
Dear expert, I chose C here, but I still need a valid reason why we must write "have" or helping verb in the right hand? Why "but also" alone is not enough?

Thanks!

Two problems with "but also":

1. The complementary part "not only" is missing. However even if "not only" were there, there could be parallelism issue:
a. From 1965 on, NOT ONLY the region’s standard of living has soared, but also unemployment and prices.: Wrong - parallelism between clause (the region’s standard of living has soared) and noun phrase (unemployment and prices). Note that "have soared" in the second element of the parallel structure cannot be omitted because the word "have" does not occur in the first part of the sentence.
b. From 1965 on, NOT ONLY the region’s standard of living has soared, but also have (soared) unemployment and prices.: Correct - compares clause with clause. The word "soared" can be eliminated from the second element because the word already occurs in the first element of the parallel structure.

2. Now ignore the above error and consider that "but also" can be used without "not only" (in fact it can be, but not ideally in GMAT). Now (in option A) arises a parallelism issue ( similar to the one mentioned in 1a above.) The parallelism is between clause (the region’s standard of living has soared) and noun phrase (unemployment and prices). The part "have soared" in the second element of the parallel structure cannot be omitted because the word "have" does not occur in the first part of the sentence.

Thus option A ("but also" alone) is wrong in 2 ways.

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Re: From 1965 on, the region’s standard of living has soared, but also unp [#permalink]

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18 Nov 2017, 03:12
sayantanc2k wrote:
septwibowo wrote:
Dear expert, I chose C here, but I still need a valid reason why we must write "have" or helping verb in the right hand? Why "but also" alone is not enough?

Thanks!

Two problems with "but also":

1. The complementary part "not only" is missing. However even if "not only" were there, there could be parallelism issue:
a. From 1965 on, NOT ONLY the region’s standard of living has soared, but also unemployment and prices.: Wrong - parallelism between clause (the region’s standard of living has soared) and noun phrase (unemployment and prices). Note that "have soared" in the second element of the parallel structure cannot be omitted because the word "have" does not occur in the first part of the sentence.
b. From 1965 on, NOT ONLY the region’s standard of living has soared, but also have (soared) unemployment and prices.: Correct - compares clause with clause. The word "soared" can be eliminated from the second element because the word already occurs in the first element of the parallel structure.

2. Now ignore the above error and consider that "but also" can be used without "not only" (in fact it can be, but not ideally in GMAT). Now (in option A) arises a parallelism issue ( similar to the one mentioned in 1a above.) The parallelism is between clause (the region’s standard of living has soared) and noun phrase (unemployment and prices). The part "have soared" in the second element of the parallel structure cannot be omitted because the word "have" does not occur in the first part of the sentence.

Thus option A ("but also" alone) is wrong in 2 ways.

Dear sayantanc2k , what a wonderful explanation! One kudo seems not enough!

Well noted for your explanation. In addition, I want to ask, how if I change the statement into :

From 1965 on, NOT ONLY the region’s standard of living has soared, BUT ALSO unemployment.

I removed the prices, so we only have one noun in right side. Is it correct that in this case, we can OMIT "has"?

Thanks a million!
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Re: From 1965 on, the region’s standard of living has soared, but also unp   [#permalink] 18 Nov 2017, 03:12
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