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Simple Verb tense

Expert replies
by karthikpandian19 » Tue Jun 05, 2012 12:16 am
A study commissioned by the Department of Agriculture showed that if calves exercise and associated with other calves, they will require less medication and gain weight quicker than do those raised in confinement.
(A) associated with other calves, they will require less medication and gain weight quicker than do
(B) associated with other calves, they require less medication and gain weight quicker than
(C) associate with other calves, they required less medication and will gain weight quicker than do
(D) associate with other calves, they have required less medication and will gain weight more quickly than do
(E) associate with other calves, they require less medication and gain weight more quickly than
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Source: — Sentence Correction |

by Kasia@EconomistGMAT » Tue Jun 05, 2012 12:58 am
The answer can be found easily in the initial, not underlined part of the original sentence - look for a conjugated verb and then you will know what verb forms should follow.

Also bear in mind the rule of parallelism connected with words or phrases linked with "and."
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by dhonu121 » Tue Jun 05, 2012 1:31 am
Parallelism: exercise and associate.
to modify adverb quickly, we use more.
Quicker is wrong.
Hence E.
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by Kasia@EconomistGMAT » Tue Jun 05, 2012 3:22 am
Correct! Well done.
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by Kasia@EconomistGMAT » Tue Jun 05, 2012 3:24 am
One more hint:
when do we use "quicker" and when do we use "more quickly"? Is the problem related to the word "more"?
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by dhonu121 » Tue Jun 05, 2012 5:21 am
Is quicker accepted as a word by GMAT ?

I think we should never use quicker. If the need arises more quickly should be used.

What are your views on this Kasia ?
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by Kasia@EconomistGMAT » Tue Jun 05, 2012 12:41 pm
"Quicker" is informal, that's why it is not acceptable as a comparative form of the adverb "quick" in the GMAT. We indeed should use the form "more quickly."
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by confuse mind » Tue Jun 05, 2012 6:37 pm
@Kasia and others

I also feel E is correct for the reasons given above. I have one confusion in E

The comparison has been done between calves, and thus the comparison word(last word in the underlined part) should 'than those' or 'than do those'
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