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Art historians are using a process known as infrared [#permalink]
 21 Mar 2009, 11:36
Question Stats:
61% (01:49) correct
38% (00:52) wrong based on 11 sessions
Art historians are using a process known as infrared scanning in analyzing the Mona Lisa to determine if it has been altered since completion and if Leonardo da Vinci first sketched the figure in black, as done by many artists of the time. (A) if it has been altered since completion and if Leonardo da Vinci first sketched the figure in black, as done (B) if it had been altered since completion and if Leonardo da Vinci first sketched the figure in black, a practice employed (C) whether it has been altered since completion and whether Leonardo da Vinci first sketched the figure in black, a practice employed (D) whether it was altered since completion and whether Leonardo da Vinci first sketched the figure in black, as was done (E) whether it had been altered since completion and whether Leonardo da Vinci first sketched the figure in black, a practice done
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Re: SC-Art Historians [#permalink]
21 Mar 2009, 11:54
nitya34 wrote: Art historians are using a process known as infrared scanning in analyzing the Mona Lisa to determine if it has been altered since completion and if Leonardo da Vinci first sketched the figure in black, as done by many artists of the time.
(A) if it has been altered since completion and if Leonardo da Vinci first sketched the figure in black, as done
(B) if it had been altered since completion and if Leonardo da Vinci first sketched the figure in black, a practice employed
(C) whether it has been altered since completion and whether Leonardo da Vinci first sketched the figure in black, a practice employed
(D) whether it was altered since completion and whether Leonardo da Vinci first sketched the figure in black, as was done
(E) whether it had been altered since completion and whether Leonardo da Vinci first sketched the figure in black, a practice done i think C - it uses correct tense
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Re: SC-Art Historians [#permalink]
21 Mar 2009, 12:00
I got screwed on this one - took me 4 minutes.. but like all questions that take so much time. My answer is possibly wrong. I'll go with A. All other choices have improper usage of tenses. -pradeep
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Re: SC-Art Historians [#permalink]
21 Mar 2009, 12:04
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Art historians are using a process known as infrared scanning in analyzing the Mona Lisa to determine if it has been altered since completion and if Leonardo da Vinci first sketched the figure in black, as done by many artists of the time. (A) if it has been altered since completion and if Leonardo da Vinci first sketched the figure in black, as done (B) if it had been altered since completion and if Leonardo da Vinci first sketched the figure in black, a practice employed (C) whether it has been altered since completion and whether Leonardo da Vinci first sketched the figure in black, a practice employed (D) whether it was altered since completion and whether Leonardo da Vinci first sketched the figure in black, as was done (E) whether it had been altered since completion and whether Leonardo da Vinci first sketched the figure in black, a practice done The structure of sentence clearly implies that scientists are trying to determine something and hence we need to use 'whether'. Secondly, usage of since demands that we use present perfect tense because the action has not completed. Hence C is right..
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Re: SC-Art Historians [#permalink]
21 Mar 2009, 12:09
Forgot to add one thing since could also be used with past perfect tense but in that case the sentence should indicate that the action has completed at certain point of time before....
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Re: SC-Art Historians [#permalink]
21 Mar 2009, 13:14
Hi mates, IMO CA and B out: here "whether" is needed (just the possibility or not) D out: simple past changes the meaning of the sentence. Also the end is not correct E out: past perfect is not correct OA and Source? Cheers
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Re: SC-Art Historians [#permalink]
21 Mar 2009, 13:42
Yes OA is C well done!! These days I am posting the CR & SC Qs from "Paper Test" so source is cent % authentic  Btw, I have one related Query Can we use "Practice" here? is it modiifying "black"? or the whole clause ? whether Leonardo da Vinci first sketched the figure in black, , a practice employed
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Re: SC-Art Historians [#permalink]
21 Mar 2009, 13:49
+1 to you mate good explanations when you mentioned abt "since" and use of "has been" its like reading the " Manhattan SC 2008 Book" again and again jainu wrote: Art historians are using a process known as infrared scanning in analyzing the Mona Lisa to determine if it has been altered since completion and if Leonardo da Vinci first sketched the figure in black, as done by many artists of the time.
(A) if it has been altered since completion and if Leonardo da Vinci first sketched the figure in black, as done
(B) if it had been altered since completion and if Leonardo da Vinci first sketched the figure in black, a practice employed
(C) whether it has been altered since completion and whether Leonardo da Vinci first sketched the figure in black, a practice employed
(D) whether it was altered since completion and whether Leonardo da Vinci first sketched the figure in black, as was done
(E) whether it had been altered since completion and whether Leonardo da Vinci first sketched the figure in black, a practice done
The structure of sentence clearly implies that scientists are trying to determine something and hence we need to use 'whether'. Secondly, usage of since demands that we use present perfect tense because the action has not completed. Hence C is right..
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Re: SC-Art Historians [#permalink]
21 Mar 2009, 14:00
nitya34 wrote: Yes OA is C well done!! These days I am posting the CR & SC Qs from "Paper Test" so source is cent % authentic Btw, I have one related Query Can we use "Practice" here? is it modiifying "black"? or the whole clause ? whether Leonardo da Vinci first sketched the figure in black, , a practice employed Ok ..."the practice" here is not modifying black but "a process" in which a painter first sketches the figure in black which according to question is the phrase " whether Leonardo da Vinci first sketched the figure in black.". Lets say this phrase is X.. Hence question changes to "whether it has been altered since completion and X, a practice employed ". so u see how to identify what "practice" is referring to...
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Re: SC-Art Historians [#permalink]
22 Mar 2010, 11:25
Could someone please explain to me why the tense has to be "has been"? Why not D?
Thanks
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Re: SC-Art Historians [#permalink]
22 Mar 2010, 11:56
misterchipper wrote: Could someone please explain to me why the tense has to be "has been"? Why not D?
Thanks As has been discussed earlier, the usage of since requires present perfect tense because the action has not completed.. 'was altered' is past tense, which is not appropriate here.
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Re: SC-Art Historians [#permalink]
23 Mar 2010, 08:03
the answer should be E because "since" indicates it is past perfect tense and since it is historians then it will examine the past only therefore it will be "had been" . hence, the answer is E. plz correct me if i am wrong with explanation
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Re: SC-Art Historians [#permalink]
08 Sep 2010, 00:07
nitya34 wrote: Art historians are using a process known as infrared scanning in analyzing the Mona Lisa to determine if it has been altered since completion and if Leonardo da Vinci first sketched the figure in black, as done by many artists of the time. (A) if it has been altered since completion and if Leonardo da Vinci first sketched the figure in black, as done (B) if it had been altered since completion and if Leonardo da Vinci first sketched the figure in black, a practice employed (C) whether it has been altered since completion and whether Leonardo da Vinci first sketched the figure in black, a practice employed (D) whether it was altered since completion and whether Leonardo da Vinci first sketched the figure in black, as was done (E) whether it had been altered since completion and whether Leonardo da Vinci first sketched the figure in black, a practice done the question is testing if/whether and modifier eliminate answers with "if" -C,D and E left eliminate D because "was" is singular and "artists" is plural Choose C since a practice employed is better than a practice done
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Re: SC-Art Historians [#permalink]
08 Sep 2010, 05:29
ya C is correct we can have 2-3 split based on whether n then out of 3 C looks better
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Re: SC-Art Historians [#permalink]
24 Mar 2011, 09:19
+1 C "Since" requires "has/have"  E doesn't require past perfect.
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Re: SC-Art Historians [#permalink]
25 Mar 2011, 04:18
+1 for C. I used the last part of the sentence to aid my selection. "a practice employed" is better than "a practice done"
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Re: SC-Art Historians [#permalink]
12 May 2011, 08:58
Confused between C and E. Messed up the "has been" and "had been". Can someone please explain the difference between the two and when to use what?
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Re: SC-Art Historians [#permalink]
12 May 2011, 09:04
the usage of since requires present perfect tense because the action has not completed.. 'was altered' is past tense, which is not appropriate here. seems this is the acceptable explanation
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Re: SC-Art Historians [#permalink]
12 May 2011, 21:58
A-b clearly out.if is used to indicate hypothetical subjunctive.
Whether is used to indicate uncertainty.
D- is incorrect
between C and D choice is tense.C is indicating past event ,but the effect is still on.painting is present.
C is winner
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Re: SC-Art Historians [#permalink]
13 May 2011, 00:22
Between C & E. I believe Past perfect should be used because the event of "completion of the painting" has already been done. Can anyone explain explicitely ??
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Re: SC-Art Historians
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13 May 2011, 00:22
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