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# Since the 1930 s aircraft manufacturers have tried to build

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BSchool Forum Moderator
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Since the 1930 s aircraft manufacturers have tried to build [#permalink]

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17 Nov 2011, 08:57
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38% (00:22) correct 62% (00:30) wrong based on 71 sessions

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Since the 1930’s aircraft manufacturers have tried to build airplanes with frictionless wings, shaped so smoothly and perfectly that the air passing over them would not become turbulent.
(A) wings, shaped so smoothly and perfectly
(B) wings, wings so smooth and so perfectly shaped
(C) wings that are shaped so smooth and perfect
(D) wings, shaped in such a smooth and perfect manner
(E) wings, wings having been shaped smoothly and perfectly so

OA latter
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Re: Since the 1930’s aircraft manufacturers [#permalink]

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17 Nov 2011, 10:34
tuanquang269 wrote:
Since the 1930’s aircraft manufacturers have tried to build airplanes with frictionless wings, shaped so smoothly and perfectly that the air passing over them would not become turbulent.
(A) wings, shaped so smoothly and perfectly
(B) wings, wings so smooth and so perfectly shaped
(C) wings that are shaped so smooth and perfect
(D) wings, shaped in such a smooth and perfect manner
(E) wings, wings having been shaped smoothly and perfectly so

OA latter

IMO it should be B. In C the term "shaped so smooth" looks incorrect.

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Re: Since the 1930’s aircraft manufacturers [#permalink]

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17 Nov 2011, 11:47
Sudhanshuacharya wrote:
tuanquang269 wrote:
Since the 1930’s aircraft manufacturers have tried to build airplanes with frictionless wings, shaped so smoothly and perfectly that the air passing over them would not become turbulent.
(A) wings, shaped so smoothly and perfectly
(B) wings, wings so smooth and so perfectly shaped
(C) wings that are shaped so smooth and perfect
(D) wings, shaped in such a smooth and perfect manner
(E) wings, wings having been shaped smoothly and perfectly so

OA latter

IMO it should be B. In C the term "shaped so smooth" looks incorrect.

@Sudhanshuacharya - B has parallelism error. "so smooth and so perfectly" - is incorrect.
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Re: Since the 1930’s aircraft manufacturers [#permalink]

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17 Nov 2011, 18:12
Keep discussing. This is interesting problem :D

OA is
[Reveal] Spoiler:
B

My thought with choice C is 'that' is not clear in comparisons with wings. "that" must refer to "wings", but use "that" here may refer to "airplanes", due to the rule of "critical modifier" ("with frictionless wings"). And use repeated "wings" will make the pronoun "them" clearer and unambiguous.
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Re: Since the 1930’s aircraft manufacturers [#permalink]

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20 Nov 2011, 09:32
Will vote for B or D - i cant finalize
this was a good one

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Re: Since the 1930’s aircraft manufacturers [#permalink]

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20 Nov 2011, 21:33
interesting question. D and E are straight out, but struggling between A, B and C.

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Re: Since the 1930’s aircraft manufacturers [#permalink]

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13 Aug 2012, 18:52
Cannot be C, D or E..
I think it is B.

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Re: Since the 1930’s aircraft manufacturers [#permalink]

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13 Aug 2012, 20:14
tuanquang269 wrote:
Since the 1930’s aircraft manufacturers have tried to build airplanes with frictionless wings, shaped so smoothly and perfectly that the air passing over them would not become turbulent.
(A) wings, shaped so smoothly and perfectly
(B) wings, wings so smooth and so perfectly shaped
(C) wings that are shaped so smooth and perfect
(D) wings, shaped in such a smooth and perfect manner
(E) wings, wings having been shaped smoothly and perfectly so

OA latter

I selected A and it was wrong ((

Here what I could find, please let me know if you see any incorrect logic.
1. "Since the 1930’s aircraft manufacturers have tried to build airplanes with friction less wings" - Adverb
2. wings, shaped so smoothly and perfectly = "Noun + "," + Ved so shaped is modifying wings
3. "that the air passing over them would not become turbulent" : can not be main clause so the original sentence is run-on sentence.

What can I do to make at least one part independent clause so the complete sentence will not stand as fragment.

If I add subject before Verb+ed (shaped) then the sentence will consider "shaped" as verb and not modifier.

So lets analyze given choices.
A is wrong because of above explaination.
C : By having "wings that...." we are again missing verb.
D. Comma +shaped : Modifier issue as A
E : "Wings, Wings having been shaped smoothly and perfectly so " ---- In this choice also having been is modifier so we are missing main verb OR verb for subject wings.

In short except all other are modifier.

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Re: Since the 1930’s aircraft manufacturers [#permalink]

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13 Aug 2012, 23:27
rphardu wrote:

I selected A and it was wrong ((

Here what I could find, please let me know if you see any incorrect logic.
1. "Since the 1930’s aircraft manufacturers have tried to build airplanes with friction less wings" - Adverb
2. wings, shaped so smoothly and perfectly = "Noun + "," + Ved so shaped is modifying wings
3. "that the air passing over them would not become turbulent" : can not be main clause so the original sentence is run-on sentence.
how is it run on? there is no comma
The reason why A is wrong is that the "shaped so smoothly and perfectly that the air passing over them would not become turbulent." is modifying the whole clause. It should rather modify the wings only. So the option B corrected this issue.

What can I do to make at least one part independent clause so the complete sentence will not stand as fragment.

If I add subject before Verb+ed (shaped) then the sentence will consider "shaped" as verb and not modifier.

So lets analyze given choices.
A is wrong because of above explaination.
C : By having "wings that...." we are again missing verb.
where are we missing the verb? if you use option C the "them" used after the underlined does not have clear antecedent. It may refer either to Airplanes or wings.
Another problem is the usage of adjectives 'smooth and perfect' instead of Adverbs because these two are modifying verb 'Shaped'

D. Comma +shaped : Modifier issue as A
E : "Wings, Wings having been shaped smoothly and perfectly so " ---- In this choice also having been is modifier so we are missing main verb OR verb for subject wings.

In short except all other are modifier.

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Re: Since the 1930’s aircraft manufacturers [#permalink]

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14 Aug 2012, 02:25
I still dont get it .

Isn't SINCE a subordinator ??

if so , then where is the main clause in this sentence ... I am not able to tell which is the mail clause and which is the subordinate clause .

"wings, wings so smooth and so perfectly shaped THAT" ... doesn't THAT here modify the clause "wings so smooth and so perfectly shaped " ??

Confused !

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Re: Since the 1930’s aircraft manufacturers [#permalink]

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14 Aug 2012, 02:34
rahul312 wrote:
I still dont get it .

Isn't SINCE a subordinator ??

if so , then where is the main clause in this sentence ... I am not able to tell which is the mail clause and which is the subordinate clause .

"wings, wings so smooth and so perfectly shaped THAT" ... doesn't THAT here modify the clause "wings so smooth and so perfectly shaped " ??

Confused !

The 'Since' here is used for timeframe.

Since the 1930's
aircraft manufacturers have tried to build airplanes with frictionless wings.

If you are considering the usage of since as " Since The aircraft manufacturers of 1930' then the sentence does not make any sense.
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Re: Since the 1930’s aircraft manufacturers [#permalink]

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14 Aug 2012, 02:52
Thanks !

Everything makes a lot more sense now

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Re: Since the 1930 s aircraft manufacturers have tried to build [#permalink]

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21 Oct 2014, 22:15
Look at the meaning....wings are smooth and of perfect shape ....
All except B mention wing's shape smooth and perfect...shape cannot be smooth...
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Re: Since the 1930 s aircraft manufacturers have tried to build   [#permalink] 21 Oct 2014, 22:15
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