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# Biologists working in Spain say that their discovery of

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Manager
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Biologists working in Spain say that their discovery of [#permalink]

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19 Apr 2007, 18:29
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Biologists working in Spain say that their discovery of teeming life in a highly acidic river may not only broaden the search for life, or for evidence of past life, on other planets but also show that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all but the hardiest bacteria.

A. show that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all but the hardiest bacteria

B. may show that a number of forms of microscopic life is capable of adapting to conditions that scientists have long thought hostile to all bacteria but the hardiest ones

C. shows a number of forms of microscopic life to be capable to adapt to conditions that scientists have long thought had been hostile to all but the hardiest bacteria

D. showing that a number of forms of microscopic life is capable of adapting to conditions that scientists have long thought had been hostile to all but the hardiest bacteria

E. showing that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all bacteria but the hardiest
[Reveal] Spoiler: OA

Last edited by Vyshak on 22 Jun 2017, 23:08, edited 1 time in total.
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Re: Biologists working in Spain say that their discovery of [#permalink]

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03 Jan 2013, 11:18
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kuttingchai wrote:
Biologists working in Spain say that their discovery of teeming life in a highly acidic river may not only broaden the search for life, or for evidence of past life, on other planets but also show that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all but the hardiest bacteria.

Sub clause -
that their discovery of teeming life in a highly acidic river may not only broaden the search for life, or for evidence of past life, no other planets but also show that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all but the hardiest bacteria.

Subject: discovery (singular)
Verb: may no only broaden .... but also show (why should the verb be plural? - what am i missing here?)

Dear kuttingchai,
I read the question and wondered why the first part made no sense. The original poster had a typo (in red) and no one else corrected it.

As to your question, it looks like egmat already gave a solid answer. I'll just add for clarity --- when a verb has an auxiliary verb, a helping verb, in front of it, the verb appears in the "infinitive form" (i.e. the dictionary form) for the present tense (and infinitive form or participle form for other tenses), and the auxiliary verb reflects the "number" of the verb (singular or plural). When there's a series of two or more auxiliary verbs, only the first in the series reflects the number of the verb, and the others follow fixed forms. The tricky thing is --- many auxiliary verbs (may, can, will, might, could, should, would, etc.) don't change for number --- they are the same in singular and plural. A few auxiliary verbs (do/does, has/have) do reflect changes for number. Thus:

he goes
they go

he will go
they will go

he is going
they are going

he doesn't to
they don't go

he would go
they would go

he should go
they should go

he may go
they may go

he has gone
they have gone

he has been going
they have been going

he would have gone
they would have gone

Does all this make sense?
Mike
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Re: Biologists working in Spain say that their discovery of [#permalink]

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03 Jan 2013, 06:35
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kuttingchai wrote:
Biologists working in Spain say that their discovery of teeming life in a highly acidic river may not only broaden the search for life, or for evidence of past life, no other planets but also show that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all but the hardiest bacteria.

Main clause -
Biologists working in Spain say
Subject : Biologists
verb: say

Sub clause -
that their discovery of teeming life in a highly acidic river may not only broaden the search for life, or for evidence of past life, no other planets but also show that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all but the hardiest bacteria.

Subject: discovery (singular)
Verb: may no only broaden .... but also show (why should the verb be plural? - what am i missing here?)

Hi cuttingchai,

e-gmat team wishes you a very Happy New Year.

In this sentence, the subject "their discovery..." has two verbs - "may not broaden" and "may show". However, "may" is understood before "show" because it already appears before the first verb. This maintains the parallelism in the sentence.

Hope this helps.
Thanks.
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Re: Biologists working in Spain say that their discovery of [#permalink]

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20 Apr 2007, 07:11
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Biologists working in Spain say that their discovery of teeming life in a highly acidic river may not only broaden the search for life, or for evidence of past life, no other planets but also show that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all but the hardiest bacteria.

The highlighted part in the sentence is the key

A. show that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all but the hardiest bacteria
-Correct
B. may show that a number of forms of microscopic life is capable of adapting to conditions that scientists have long thought hostile to all bacteria but the hardiest ones

C. shows a number of forms of microscopic life to be capable to adapt to conditions that scientists have long thought had been hostile to all but the hardiest bacteria

D. showing that a number of forms of microscopic life is capable of adapting to conditions that scientists have long thought had been hostile to all but the hardiest bacteria

E. showing that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all bacteria but the hardiest

The highlighted words in the options invalidate them.

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Re: Biologists working in Spain say that their discovery of [#permalink]

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06 Jan 2013, 04:28
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I am afraid that there is an impression that a verb is plural, when there is no s and a verb is singular when there is an s. This is erroneous. Used with helping verbs, they are only used in base form.
The basic structure of verbs in present tense is

Verb sing
Base form sing
Singular I person sing
Plural I person we sing
Singular II person you sing
Plural II person you sing
In all the above cases, the base form was simply used with the subject, whether singular or plural
Now let’s see how the structure changes with III person
III person singular (he, she, it) he sings, she sings and it sings, Tom sings etc
III plural (they) they sing
You can see the base form is used here( except in III person singular) and is acceptability called the plural verb.

Now when used with helping verb

(Singular) I can sing, you can sing, he can sing, she can sing and it can sing. Now we do not say - I can sings, you can sings, he can sings, she can sings and it can sings, just because the sub is singular
Now with helping verb (plural)
We can sing, you can sing, they can sing
And not we can sings, you can sings and they can sings.
In the given text, broaden and show are the base forms used with the helping verb may and not plural verbs.
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Re: Biologists working in Spain say that their discovery of [#permalink]

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19 Apr 2007, 18:50
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Clear A....

Biologists working in Spain say that their discovery of teeming life in a highly acidic river may not only broaden the search for life, or for evidence of past life, no other planets but also show that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all but the hardiest bacteria.

A. show that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all but the hardiest bacteria

Broaden is plural and hence the show is plural which is correct.

B. may show that a number of forms of microscopic life is capable of adapting to conditions that scientists have long thought hostile to all bacteria but the hardiest ones

may broaden and may show is not correct especially if may comes after but also.

C. shows a number of forms of microscopic life to be capable to adapt to conditions that scientists have long thought had been hostile to all but the hardiest bacteria

may not only broaden (plural) should be accompanied with show and not shows (singular)

D. showing that a number of forms of microscopic life is capable of adapting to conditions that scientists have long thought had been hostile to all but the hardiest bacteria

may not only broaden and showing are not parallel

E. showing that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all bacteria but the hardiest

Same as D
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Re: Biologists working in Spain say that their discovery of [#permalink]

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19 Apr 2007, 19:57
humtum0 wrote:
Biologists working in Spain say that their discovery of teeming life in a highly acidic river may not only broaden the search for life, or for evidence of past life, no other planets but also show that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all but the hardiest bacteria.

A. show that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all but the hardiest bacteria

B. may show that a number of forms of microscopic life is capable of adapting to conditions that scientists have long thought hostile to all bacteria but the hardiest ones

C. shows a number of forms of microscopic life to be capable to adapt to conditions that scientists have long thought had been hostile to all but the hardiest bacteria

D. showing that a number of forms of microscopic life is capable of adapting to conditions that scientists have long thought had been hostile to all but the hardiest bacteria

E. showing that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all bacteria but the hardiest

may not only broaden the search for life, or for evidence of past life, no other planets but also show
tha

that is reqired->C is out
A -for correct parallelism
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Re: Biologists working in Spain say that their discovery of [#permalink]

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03 Jan 2013, 06:11
Biologists working in Spain say that their discovery of teeming life in a highly acidic river may not only broaden the search for life, or for evidence of past life, no other planets but also show that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all but the hardiest bacteria.

Main clause -
Biologists working in Spain say
Subject : Biologists
verb: say

Sub clause -
that their discovery of teeming life in a highly acidic river may not only broaden the search for life, or for evidence of past life, no other planets but also show that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all but the hardiest bacteria.

Subject: discovery (singular)
Verb: may no only broaden .... but also show (why should the verb be plural? - what am i missing here?)
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Re: Biologists working in Spain say that their discovery of [#permalink]

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03 Jan 2013, 16:44
Ans - A
may show, shows, showing are not parallel with broaden
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Re: Biologists working in Spain say that their discovery of [#permalink]

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04 Jan 2013, 22:55
egmat wrote:
kuttingchai wrote:
Biologists working in Spain say that their discovery of teeming life in a highly acidic river may not only broaden the search for life, or for evidence of past life, no other planets but also show that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all but the hardiest bacteria.

Main clause -
Biologists working in Spain say
Subject : Biologists
verb: say

Sub clause -
that their discovery of teeming life in a highly acidic river may not only broaden the search for life, or for evidence of past life, no other planets but also show that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all but the hardiest bacteria.

Subject: discovery (singular)
Verb: may no only broaden .... but also show (why should the verb be plural? - what am i missing here?)

Hi cuttingchai,

e-gmat team wishes you a very Happy New Year.

In this sentence, the subject "their discovery..." has two verbs - "may not broaden" and "may show". However, "may" is understood before "show" because it already appears before the first verb. This maintains the parallelism in the sentence.

Hope this helps.
Thanks.

"their discovery" is singular subject then why the verb is "show" and not "shows"???
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Re: Biologists working in Spain say that their discovery of [#permalink]

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05 Jan 2013, 11:58
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kuttingchai wrote:
"their discovery" is singular subject then why the verb is "show" and not "shows"???

Hi kuttimgchai,

You are missing the point that the singular subject "their discovery" has the verb "may not broden" and "may show". There is a an understood "may" before "show". When we use verbs such as can, may, will, etc, we use the plural verb. That is why you see the verb "show" in the correct answer because it is paired with "may" but this "may" is understood. So we only see "show" there.

Hope this helps.
Thanks.
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Re: Biologists working in Spain say that their discovery of [#permalink]

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06 Jan 2013, 03:18
egmat wrote:
kuttingchai wrote:
"their discovery" is singular subject then why the verb is "show" and not "shows"???

Hi kuttimgchai,

You are missing the point that the singular subject "their discovery" has the verb "may not broden" and "may show". There is a an understood "may" before "show". When we use verbs such as can, may, will, etc, we use the plural verb. That is why you see the verb "show" in the correct answer because it is paired with "may" but this "may" is understood. So we only see "show" there.

Hope this helps.
Thanks.

"When we use verbs such as can, may, will, etc, we use the plural verb. That is why you see the verb "show" in the correct answer because it is paired with "may" but this "may" is understood. "

OKay - got that.

Thank you.
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Re: Biologists working in Spain say that their discovery of [#permalink]

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07 Jan 2013, 04:19
I'm not sure I know the answer...but the explanation from mikemcgarry helped a lot... I would say it is A...
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Re: Biologists working in Spain say that their discovery of [#permalink]

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01 Feb 2014, 02:13
Hello from the GMAT Club VerbalBot!

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Re: Biologists working in Spain say that their discovery of [#permalink]

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01 Feb 2014, 11:42
CLEAR "A"...

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Re: Biologists working in Spain say that their discovery of [#permalink]

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19 Jun 2016, 18:52
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: Biologists working in Spain say that their discovery of [#permalink]

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19 Jul 2016, 00:19
humtum0 wrote:
Biologists working in Spain say that their discovery of teeming life in a highly acidic river may not only broaden the search for life, or for evidence of past life, no other planets (HUGE TYPO) but also show that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all but the hardiest bacteria.

A. show that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all but the hardiest bacteria

B. may show that a number of forms of microscopic life is capable of adapting to conditions that scientists have long thought hostile to all bacteria but the hardiest ones

C. shows a number of forms of microscopic life to be capable to adapt to conditions that scientists have long thought had been hostile to all but the hardiest bacteria

D. showing that a number of forms of microscopic life is capable of adapting to conditions that scientists have long thought had been hostile to all but the hardiest bacteria

E. showing that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all bacteria but the hardiest

Its funny that no one pointed out a HUGE TYPO in the sentence:- "NO OTHER PLANETS" should be read as "ON OTHER PLANETS"

SV agreement (discovery-broaden) in the non underlined part makes sure that "discovery" is used as plural in this sentence thus to maintain parallelism in the sentence, the correct SV will be "show" - "shows" or "showing" will destroy the parallelism. Hence OPTION C, D, E are INCORRECT.
Since the correct idiom is not only X but also Y, therefore not only broaden but also may show is incorrect. "MAY" is incorrectly used.

A is the best choice SV parallelism -discovery-braoden-show + correct idiom not only broaden but also show
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Re: Biologists working in Spain say that their discovery of [#permalink]

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05 Jan 2017, 22:51
humtum0 wrote:
Biologists working in Spain say that their discovery of teeming life in a highly acidic river may not only broaden the search for life, or for evidence of past life, no other planets but also show that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all but the hardiest bacteria.

A. show that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all but the hardiest bacteria

B. may show that a number of forms of microscopic life is capable of adapting to conditions that scientists have long thought hostile to all bacteria but the hardiest ones

C. shows a number of forms of microscopic life to be capable to adapt to conditions that scientists have long thought had been hostile to all but the hardiest bacteria

D. showing that a number of forms of microscopic life is capable of adapting to conditions that scientists have long thought had been hostile to all but the hardiest bacteria

E. showing that a number of forms of microscopic life can adapt to conditions that scientists have long thought hostile to all bacteria but the hardiest

Straight A. The sentence agrees in subject-verb agreement. Biologists - Plural and Show - Plural.
Re: Biologists working in Spain say that their discovery of   [#permalink] 05 Jan 2017, 22:51
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