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According to United States Air Force officials, a cannon

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According to United States Air Force officials, a cannon [#permalink] New post 11 Mar 2005, 22:18
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23. According to United States Air Force officials, a cannon shooting dead chickens at airplanes has proved helpful to demonstrate what kind of damage can result when jets fly into a flock of large birds.
(A) shooting dead chickens at airplanes has proved helpful to demonstrate
(B) shooting dead chickens at airplanes has proved itself helpful as a demonstration of
(C) shooting dead chickens at airplanes proves itself helpfull as demonstrating
(D) that shoots dead chickens at airplanes proves itself helpful to demonstrate
(E) that shoots dead chickens at airplanes has proved helpful in demonstrating
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Re: SC - Dead Chickens [#permalink] New post 11 Mar 2005, 22:29
I prefer E because helpful in demonstrating is better than helpful to demonstrate
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 [#permalink] New post 11 Mar 2005, 22:35
I agree with E

"a cannon shooting dead chickens" seems incorrect - it should be a cannon [that shoots dead chicken]

According to United States Air Force officials, a cannon [shooting dead chickens at airplanes] has proved helpful in demonstrating [what kind of damage can result when jets fly into a flock of large birds].
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 [#permalink] New post 12 Mar 2005, 07:45
(E). We need 'that' to introduce the modifier for the cannon. And demonstrating is parallel with 'shooting'
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 [#permalink] New post 12 Mar 2005, 12:44
I will go for E......

I was between B and E, and B sounded to wordy.....
so I will go for E....
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 [#permalink] New post 12 Mar 2005, 15:27
Good explaination by Paul here:
http://www.gmatclub.com/phpbb/viewtopic.php?t=8419
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 [#permalink] New post 12 Mar 2005, 18:08
Wonderful Explaination on shift of meaning using/not using Restrictive Clause.

Paul wrote:
As a matter of fact, both are fine.

Something + has proved helpful + in + gerund
http://paknews.com/flash.php?id=13&date1=2003-12-30
Look at headline

Something + has proved helpful + to + verb?
http://www.cambridge-efl.org/rs_notes/0 ... tes1_5.cfm
Look at the first sentence of the third paragraph

Both are idiomatic. I would prefer the former with the gerund form but I believe that while the the original question's error is clearly explained, the chicken question has an error which makes it preferable to choose E over A
A) a cannon shooting dead chickens at airplanes has proved helpful to demonstrate what kind of damage
In the above, the emphasis is put on the subject in bold "a cannon". The portion in green is an adjective clause and it is given second order importance vis a vis the subject. It seems that it is the subject, the cannon itself which has proved helpful to... while it should really be the act of shooting which has proved helpful to...
E) a cannon that shoots dead chickens at airplanes has proved helpful in demonstrating
In the above, the portion in red is a restrictive clause. The emphasis is shifted to the restrictive clause and it is because of it that whatever happens happens. Hence, it is because the cannon shoots chicken and the very act of shooting chickens which has proved helpful in demonstrating... not the cannon itself for not every cannon can demonstrate...

I'll try to show another example of the "shift of emphasis" when using restrictive clauses.
Ex: The garage that belongs to my uncle is filled with cars. --> why is the garage filled with cars? Because if belongs to my uncle. As you can see, a restrictive clause gives crucial information to whatever verb comes after; it explains why the verb is.
Ex: The garage belonging to my uncle is filled with cars --> the portion in blue is an adjective clause. It is not crucial in explaining the very reason of the verb coming after. The adjective clause could be replaced by a simple adjective. Let's change it by adjective "blue"
The blue garage is filled with cars: Is it because the garage is blue that makes it being filled with cars? No. It is just a garage which happens to be blue and which is filled with cars.

All of this to say the importance of restrictive vs adjective clauses. Whenever there is a restrictive clause, you should know that it is that clause which explains why what comes after has a very reason of being. Therefore, in the "chicken" question, the use of either idioms is fine but it is the use of restrictive vs adjective clause which makes the difference.


My question is:
a cannon shooting dead chickens at airplanes has proved...

Is portion is green an Adjectice Clause or Adjective Phrase (== Participle Phrase)..

Please correct me if I am wrong...
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 [#permalink] New post 12 Mar 2005, 18:11
jpv wrote:
My question is:
a cannon shooting dead chickens at airplanes has proved...

Is portion is green an Adjectice Clause or Adjective Phrase (== Participle Phrase)..

Please correct me if I am wrong...


The answer to your question is: Phrase

Check this out for the definitions:
Clause:
http://webster.commnet.edu/grammar/clauses.htm
A clause is a group of related words containing a subject and a verb A clause can be usefully distinguished from a phrase, which is a group of related words that does not contain a subject-verb relationship, such as "in the morning" or "running down the street" or "having grown used to this harassment."

Phrase:
http://webster.commnet.edu/grammar/phrases.htm
A phrase is a group of related words that does not include a subject and verb. (If the group of related words does contain a subject and verb, it is considered a clause.) There are several different kinds of phrases. Understanding how they are constructed and how they function within a sentence can bolster a writer's confidence in writing sentences that are sound in structure and various in form.
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 [#permalink] New post 12 Mar 2005, 18:14
:thanks qhoc
  [#permalink] 12 Mar 2005, 18:14
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