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Along the major rivers that traverse the deserts of

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Re: Along the major rivers that traverse the deserts of [#permalink]

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New post 17 Mar 2015, 03:02
though is it easy to go to B, there is a point between regarding A and B

the present and present perfect are quite different. the uses of those tense are different.

can anyone explain the difference between those tenses.? we should know it , though this question dose not require us to do so

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Re: Along the major rivers that traverse the deserts of [#permalink]

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New post 17 Mar 2015, 03:06
thangvietnam wrote:
though is it easy to go to B, there is a point between regarding A and B

the present and present perfect are quite different. the uses of those tense are different.

can anyone explain the difference between those tenses.? we should know it , though this question dose not require us to do so



I can show just one trick which is very useful in finding perfect tense. Here it is 'for 6000 years'. There are similar words such as 'since' witch signal present perfect tense.
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Re: Along the major rivers that traverse the deserts of [#permalink]

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New post 23 Aug 2015, 20:55
Split 1 : Parellelism
good growing condition Vs Of good growing Condition.
Sentence says "Combination of X and Y", it will be wrong (As per the current context) to say "Combination of X and of Y". Both will be correct in different context but later is correct in current sentence.
Option C,D and E - Incorrect

Split #2 : Usage of Both
"Combination of X and Y both encouraged" - Both is absolutely not required in this.
Option A and D - Incorrect.

Option B is clear here only,

Split # 3 : Tense error
Endured Vs Have endured Vs Endure
effect is still on - Endure should make sense in current timeframe as well.
Endure - present tense not correct, since it started in past.
Endured not correct, since effect is still on
Have endured - Correct Started in past and effect is still ON

Option A - Endure in present - incorrect

Option C - Endure in past - incorrect

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Re: Along the major rivers that traverse the deserts of [#permalink]

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New post 23 Aug 2015, 22:15
Split 1 : Parellelism
good growing condition Vs Of good growing Condition.
Sentence says "Combination of X and Y", it will be wrong (As per the current context) to say "Combination of X and of Y". Both will be correct in different context but later is correct in current sentence.
Option C,D and E - Incorrect

Split #2 : Usage of Both
"Combination of X and Y both encouraged" - Both is absolutely not required in this.
Option A and D - Incorrect.

Option B is clear here only,

Split # 3 : Tense error
Endured Vs Have endured Vs Endure
effect is still on - Endure should make sense in current timeframe as well.
Endure - present tense not correct, since it started in past.
Endured not correct, since effect is still on
Have endured - Correct Started in past and effect is still ON

Option A - Endure in present - incorrect

Option C - Endure in past - incorrect

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Re: Along the major rivers that traverse the deserts of [#permalink]

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New post 24 Aug 2015, 05:21
gmatcallow wrote:
correct to phrase to use is "combination of X and Y" not combination of X and of Y". This leaves us with choice (A) and (B)
(A)"Both" is redundant here we have the word combination to do that.
"endure" has tense problem it should be endured.
endure in is not correct idiom

(B)correct takes care all the points mentioned above


we do not need to remember this idom if we focus on analysing meaning, which is focus of GMAC.

analysing tense, we can go to b.

this simple change of the way we think of sc is critical and fatal.
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Along the major rivers that traverse the deserts of [#permalink]

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New post 31 Jan 2016, 11:36
betterscore wrote:
Along the major rivers that traverse the deserts of northeast Africa, the Middle East, and northwest India, the combination of a reliable supply of water and good growing conditions both encouraged farming traditions that, in places, endure in at least 6,000 years.

(A) good growing conditions both encouraged farming traditions that, in places, endure in
(B) good growing conditions encouraged farming traditions that have, in places, endured for
(C) of good growing conditions have encouraged farming traditions that, in places, endured for
(D) of good growing conditions both encouraged farming traditions that have, in places, endured
(E) of good growing conditions encouraged farming traditions that have, in places, been enduring for


This question is fairly simple if you think clearly. (There is a distraction i.e use of 'For' which I am not sure if they can be the basis of eliminating answer - Maybe mikemcgarry or VeritasPrepKarishma can help us??)

My reasons to narrow down the answer are the following-
(A) good growing conditions both encouraged farming traditions that, in places, endure in - Both and combination is redundant
(B) good growing conditions encouraged farming traditions that have, in places, endured for
(C) of good growing conditions have encouraged farming traditions that, in places, endured for The 'combination' and 'have' - Subject verb disagreement
(D) of good growing conditions both encouraged farming traditions that have, in places, endured Combination of X and of Y seems incorrect
(E) of good growing conditions encouraged farming traditions that have, in places, been enduring for Combination of X and of Y seems incorrect

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Re: Along the major rivers that traverse the deserts of [#permalink]

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New post 31 Jan 2016, 12:10
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rachitshah wrote:
betterscore wrote:
Along the major rivers that traverse the deserts of northeast Africa, the Middle East, and northwest India, the combination of a reliable supply of water and good growing conditions both encouraged farming traditions that, in places, endure in at least 6,000 years.

(A) good growing conditions both encouraged farming traditions that, in places, endure in
(B) good growing conditions encouraged farming traditions that have, in places, endured for
(C) of good growing conditions have encouraged farming traditions that, in places, endured for
(D) of good growing conditions both encouraged farming traditions that have, in places, endured
(E) of good growing conditions encouraged farming traditions that have, in places, been enduring for


This question is fairly simple if you think clearly. (There is a distraction i.e use of 'For' which I am not sure if they can be the basis of eliminating answer - Maybe mikemcgarry or VeritasPrepKarishma can help us??)



The use of "for" or "since" can definitely be used as a basis for eliminating answers, when a time context is referred.

Use of for: to indicate a period of time. I have been working for this company for the last 10 years. .
Use of since: to indicate a point in time. I have been working for the company since 2006.

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Re: Along the major rivers that traverse the deserts of [#permalink]

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New post 13 Oct 2016, 04:46
SPLIT1) CORRECT = "BOTH A AND B" CORRECT = "A COMBINATION OF A AND B". INCORRECT = "A COMBINATION OF A AND B BOTH". INCORRECT = "A COMBINATION OF A AND OF B". C, D AND E ARE OUT.

SPLIT2) ENDURE FOR VS ENDURE IN. THE CORRECT IDIOM IS ENDURE FOR. A IS OUT.

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Re: Along the major rivers that traverse the deserts of [#permalink]

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New post 27 Oct 2016, 12:08
both is redundant when used with combination.

Correct form is combination of X and Y.

B

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Re: Along the major rivers that traverse the deserts of [#permalink]

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New post 15 Jan 2017, 07:01
betterscore wrote:
Along the major rivers that traverse the deserts of northeast Africa, the Middle East, and northwest India, the combination of a reliable supply of water and good growing conditions both encouraged farming traditions that, in places, endure in at least 6,000 years.

(A) good growing conditions both encouraged farming traditions that, in places, endure in
(B) good growing conditions encouraged farming traditions that have, in places, endured for
(C) of good growing conditions have encouraged farming traditions that, in places, endured for
(D) of good growing conditions both encouraged farming traditions that have, in places, endured
(E) of good growing conditions encouraged farming traditions that have, in places, been enduring for


a point of tense to know
if the main clause is in the past, the dependent clause is normally in the past but can be in other tenses , depending on meaning. in oa, B, main clause is in past "encouraged" and dependent clause in in "have endured"
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Re: Along the major rivers that traverse the deserts of [#permalink]

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New post 17 Mar 2017, 06:35
i have a doubt here.

'the combination of X and Y' will take singular verb right ?

the combination is singular .


please correct me if i am wrong

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Re: Along the major rivers that traverse the deserts of [#permalink]

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New post 21 Mar 2017, 04:33
brs1cob wrote:
i have a doubt here.

'the combination of X and Y' will take singular verb right ?

the combination is singular .


please correct me if i am wrong



Yes, that is true. The combination will take singular verb. In B, I don't think anything is wrong.
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Re: Along the major rivers that traverse the deserts of [#permalink]

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New post 28 Jun 2017, 07:04
Hello GMATNinja, Mikemcgarry, and other experts

The sentence just says that 'at least 6,000 years'. How do we know just from this phrase that it still continues?

If the sentence was:
..............and good growing conditions both encouraged farming traditions that, in places, endured for 6,000 years.

Will the use of simple past be correct here?


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Re: Along the major rivers that traverse the deserts of [#permalink]

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New post 28 Jun 2017, 19:04
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Shiv2016 wrote:
Hello GMATNinja, Mikemcgarry, and other experts

The sentence just says that 'at least 6,000 years'. How do we know just from this phrase that it still continues?

If the sentence was:
..............and good growing conditions both encouraged farming traditions that, in places, endured for 6,000 years.

Will the use of simple past be correct here?


Thanks

Yeah, I think that there's a grey area here when it comes to the verb tense. I'm not sure that it would be wrong, exactly, to use simple past tense. But if you do, it would imply that the farming traditions no longer endure. That could be true, I guess, but it seems reasonable to think that the conditions that led to those farming traditions -- a reliable supply of water and good growing conditions -- haven't changed. At the very least, nothing in the sentence suggests that they've changed.

So present perfect ("have endured") seems a little bit more reasonable -- but to be fair, the question leaves room for debate on this.

But even if you ignore the verb tense issue, there are good reasons to eliminate all four wrong answers. Check out ChrisLele's explanation above for more.

I hope this helps!
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Re: Along the major rivers that traverse the deserts of [#permalink]

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New post 28 Jun 2017, 19:48
Shiv2016 wrote:
Hello GMATNinja, Mikemcgarry, and other experts

The sentence just says that 'at least 6,000 years'. How do we know just from this phrase that it still continues?

If the sentence was:
..............and good growing conditions both encouraged farming traditions that, in places, endured for 6,000 years.

Will the use of simple past be correct here?


Thanks

Hi Shiv2016, as GMATNinja has pointed out, there is theoretically some room to interpret that the farming traditions have discontinued; however, there is nothing in the sentence to suggest so.

Also, notice that the articulation of the original sentence matters; while the original sentence is not absolutely correct, it uses the present tense (endure), thereby suggesting that that farming traditions are not a thing of the past.
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Re: Along the major rivers that traverse the deserts of [#permalink]

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New post 11 Sep 2017, 12:04
Along the major rivers that traverse the deserts of northeast Africa, the Middle East, and northwest India, the combination of a reliable supply of water and good growing conditions both encouraged farming traditions that, in places, endure in at least 6,000 years.

(A) good growing conditions both encouraged farming traditions that, in places, endure in
(B) good growing conditions encouraged farming traditions that have, in places, endured for
(C) of good growing conditions have encouraged farming traditions that, in places, endured for
(D) of good growing conditions both encouraged farming traditions that have, in places, endured
(E) of good growing conditions encouraged farming traditions that have, in places, been enduring for
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