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Both intellectual property lawyers and research firms are waiting with great interest for the legal outcome of the debate on if corporations will be allowed to file patents for certain genetic sequences they discover.
A. are waiting with great interest for the legal outcome of the debate on if corporations will be allowed to file patents for certain genetic sequences they discover
B. are waiting with the greatest interest for the legal outcome of the debate on if corporations should be allowed to file patents for certain genetic sequences discovered by them
C. have been waiting with great interest for the legal outcome of the debate on whether corporations will be allowed to file patents for the genetic sequences they have discovered
D. are waiting with great interest for the legal outcome of the debate on whether corporations will be allowed to file patents for certain genetic sequences the corporations discover
E. have been waiting with great interest to see the legal outcome of the debate of whether corporations would be allowed to file patents for the discovery of certain genetic sequences

Answer is D
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Can someone please explain the differences in using " are waiting" and " have been waiting"?
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Can someone tell me why the usage of would is wrong in the 'E' Choice?
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Can someone tell me why the usage of would is wrong in the 'E' Choice?

GMATNinja,

I too have same question. Why usage of "WOULD" is wrong in E option.
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Can someone please explain the differences in using " are waiting" and " have been waiting"?

In order to use "have been waiting" specific time should be mentioned. For example, Since 1900 corporations have been waiting .....
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Both intellectual property lawyers and research firms are waiting with great interest for the legal outcome of the debate on if corporations will be allowed to file patents for certain genetic sequences they discover.


A. are waiting with great interest for the legal outcome of the debate on if corporations will be allowed to file patents for certain genetic sequences they discover

B. are waiting with the greatest interest for the legal outcome of the debate on if corporations should be allowed to file patents for certain genetic sequences discovered by them

C. have been waiting with great interest for the legal outcome of the debate on whether corporations will be allowed to file patents for the genetic sequences they have discovered

D. are waiting with great interest for the legal outcome of the debate on whether corporations will be allowed to file patents for certain genetic sequences the corporations discover

E. have been waiting with great interest to see the legal outcome of the debate of whether corporations would be allowed to file patents for the discovery of certain genetic sequences


Source: McGraw Hill GMAT


Hi VeritasKarishma /@egmat/@GMATNINJa,

Could you please let me know what is wrong in option C, I am not able to decide between "have been" and "are" usage in the options.
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Asad
Both intellectual property lawyers and research firms are waiting with great interest for the legal outcome of the debate on if corporations will be allowed to file patents for certain genetic sequences they discover.


A. are waiting with great interest for the legal outcome of the debate on if corporations will be allowed to file patents for certain genetic sequences they discover

B. are waiting with the greatest interest for the legal outcome of the debate on if corporations should be allowed to file patents for certain genetic sequences discovered by them

C. have been waiting with great interest for the legal outcome of the debate on whether corporations will be allowed to file patents for the genetic sequences they have discovered

D. are waiting with great interest for the legal outcome of the debate on whether corporations will be allowed to file patents for certain genetic sequences the corporations discover

E. have been waiting with great interest to see the legal outcome of the debate of whether corporations would be allowed to file patents for the discovery of certain genetic sequences


Source: McGraw Hill GMAT


Hi VeritasKarishma /@egmat/@GMATNINJa,

Could you please let me know what is wrong in option C, I am not able to decide between "have been" and "are" usage in the options.

Present Perfect progressive is used for a duration of time such that the action may not be complete yet.
I have been waiting for you since morning. (till now)
I have been waiting for you for months.
etc

Since no time frame is mentioned, there is no need to use this tense. The sentence only talks about present moment so "are waiting" is enough. Also, the use of "they" is ambiguous in (C). Does it refer to "lawyers and research firms" or "corporations"? (D) clarifies this.
Also, presumably, the outcome of the debate will be applicable to all such cases in the future too so "corporations discover" is better.

Option (D) is better.
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VeritasKarishma
gaurav2m
Asad
Both intellectual property lawyers and research firms are waiting with great interest for the legal outcome of the debate on if corporations will be allowed to file patents for certain genetic sequences they discover.


A. are waiting with great interest for the legal outcome of the debate on if corporations will be allowed to file patents for certain genetic sequences they discover

B. are waiting with the greatest interest for the legal outcome of the debate on if corporations should be allowed to file patents for certain genetic sequences discovered by them

C. have been waiting with great interest for the legal outcome of the debate on whether corporations will be allowed to file patents for the genetic sequences they have discovered

D. are waiting with great interest for the legal outcome of the debate on whether corporations will be allowed to file patents for certain genetic sequences the corporations discover

E. have been waiting with great interest to see the legal outcome of the debate of whether corporations would be allowed to file patents for the discovery of certain genetic sequences


Source: McGraw Hill GMAT


Hi VeritasKarishma /@egmat/@GMATNINJa,

Could you please let me know what is wrong in option C, I am not able to decide between "have been" and "are" usage in the options.

Present Perfect progressive is used for a duration of time such that the action may not be complete yet.
I have been waiting for you since morning. (till now)
I have been waiting for you for months.
etc

Since no time frame is mentioned, there is no need to use this tense. The sentence only talks about present moment so "are waiting" is enough. Also, the use of "they" is ambiguous in (C). Does it refer to "lawyers and research firms" or "corporations"? (D) clarifies this.
Also, presumably, the outcome of the debate will be applicable to all such cases in the future too so "corporations discover" is better.

Option (D) is better.

Thanks :)
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