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RonPurewal
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Re: The number of people flying first

by RonPurewal Thu May 13, 2010 8:10 am

mahesh.s009 Wrote:Hi Ron,


"in this case, you can't use "..., twice as many as...", because that's an appositive modifier. appositives must modify some noun that comes IMMEDIATELY before the comma, which in this case would have to be whatever figure is twice whatever other figure. since no such figure is given, you can't use this construction. "

Not sure if you really meant to say that appositive will need to modify the noun coming immediately before the comma or did I get something wrong.

Your previous example :Tony ran down the street, his arms flailing as he tried to flag down the bus

Here appositive his arms.... modifies Tony and not street.


that's not an appositive; that's actually an entirely different sort of construction, called an "absolute phrase".
here is another official problem using such a construction: http://www.beatthegmat.com/sc-with-surf ... 34-15.html (i don't normally cross-post from different forums, but there's a lot of information in that post)
if you read that post, note that i actually didn't know the name of this construction at the time of my first couple posts; one of the posters over there was kind enough to inform me that it was called an absolute phrase.

--

i understand how you could possibly confuse an absolute phrase with an appositive; you should mostly use MEANING to differentiate between the two.
for instance:
the singer sang the song with intense emotion, her voice moving the audience to tears --> absolute phrase
this is the official guide, a book containing over 800 problems --> appositive

if you think in terms of meaning, it's a rather large difference: the absolute phrase modifies the ACTION of the preceding clause, while the appositive gives more information about a THING/ENTITY/CONCEPT.
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Re: The number of people flying first

by amir_hatef Fri Mar 18, 2011 5:05 am

"in this case, you can't use "..., twice as many as...", because that's an appositive modifier. appositives must modify some noun that comes IMMEDIATELY before the comma, which in this case would have to be whatever figure is twice whatever other figure. since no such figure is given, you can't use this construction. "

Ron: Can you plz explain above paragraph for me with an example?? I can NOT understand this rule applied in this question.
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Re: The number of people flying first

by amir_hatef Tue Mar 22, 2011 8:53 am

Ron can you clarify my issue on the above concept on this specific GPrep question? Thanks in advance.
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Re: The number of people flying first

by amir_hatef Fri Mar 25, 2011 7:31 am

I am still waiting for a MGMAT expert to help me on my issue. It's a long time I haven't got any clarification, can Rn, Stacey, Tim or... from mgmat come and clarify my issue? Thanks.
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Re: The number of people flying first

by RonPurewal Sat Mar 26, 2011 2:27 am

amir_hatef Wrote:I am still waiting for a MGMAT expert to help me on my issue. It's a long time I haven't got any clarification, can Rn, Stacey, Tim or... from mgmat come and clarify my issue? Thanks.


don't do this -- i.e., don't post a message that says "please answer my question".
this is called "bumping" the thread; it brings the thread up to the most recent position in the folder.

the problem, of course -- besides the obvious rudeness and unprofessionalism -- is that we answer the posts strictly in order from oldest to newest. therefore, if you post a message, with no content, that says "please answer this post", then you are moving the thread to the LAST place in the queue.

please be patient -- we will get to all of the threads. if you make posts like this one, you're just making it take longer.
thanks.

in fact, you have already been warned about doing that, here:
post49756.html#p49756
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Re: The number of people flying first

by RonPurewal Sat Mar 26, 2011 2:28 am

amir_hatef Wrote:
"in this case, you can't use "..., twice as many as...", because that's an appositive modifier. appositives must modify some noun that comes IMMEDIATELY before the comma, which in this case would have to be whatever figure is twice whatever other figure. since no such figure is given, you can't use this construction. "

Ron: Can you plz explain above paragraph for me with an example?? I can NOT understand this rule applied in this question.


if you're going to say COMMA + "twice as many as...", then that's incorrect unless there's actually a quantity in front of the comma.
e.g.
last year i read 40 books, twice as many as i read in the preceding year
--> correct
last year the number of books i read increased dramatically, twice as many as i read in the preceding year
--> incorrect
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Re: The number of people flying first

by rohini.gangapuram Wed Apr 06, 2011 12:57 am

Ron,
First of all thanks for such wonderful explanations.
This is what i understand (let me know if i do need to open a new thread for this)
both absolute phrases and appositives can modify the entire preceeding clause. am i right?

if the answer to the above is yes, one way i can determine whether the appositive is modifying the etire clause before it or a noun just before it is on the basis of meaning?
for ex in your above post:
last year the number of books i read increased dramatically, twice as many as i read in the preceding year
when i read this i can make out that the use of twice here is wrong,i have no grammer rules for that but yes i knw its wrong.
is this approach correct? or are there any set rules?

finally, what advantage do i have as a test taker in getting to knw whther it is an absolute phrase or appositive or something else? as long as i can make out from the sentence that whether it makes sense or not, im fine right?
the point im askign this question is, im so very confused by the gramamtical jargons used and it makes no sense for me to go through wren and martin now for gmat :(
to an extent yes i can relate to them but at times i find out of place.
as you always say its about recognising patterns from the official questions,to recognise such patterns too, should we know what they are called and have proper grammer explanations to them?

PS: if you feel this isnt related to the question(which i feel) let me know so that i can open a new thread.
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Re: The number of people flying first

by RonPurewal Thu Apr 07, 2011 5:16 am

rohini.gangapuram Wrote:Ron,
First of all thanks for such wonderful explanations.
This is what i understand (let me know if i do need to open a new thread for this)
both absolute phrases and appositives can modify the entire preceeding clause. am i right?


appositives yes.
absolute phrases, not so much -- those actually have to attach to a noun in the preceding clause, although it doesn't have to be the noun that is immediately preceding. (it usually applies to the subject of that clause.)

if the answer to the above is yes, one way i can determine whether the appositive is modifying the etire clause before it or a noun just before it is on the basis of meaning?


that's the only way. this is another one of the 26,827,109 reasons why it's so important to ascertain the meaning of the sentence FIRST, before you dive into analyzing possible errors.

the same thing is true for many other types of modifiers, such as prepositional phrases, as well.

e.g.
I read the book on the train --> this prepositional phrase modifies the ACTION "read the book".
I read the book on the table --> this prepositional phrase modifies the NOUN "book".
grammar won't help you figure this out -- you have to ascertain the meaning of the sentence using the same sort of common sense that allows you to have everyday conversations with people who don't speak using perfect grammar (i.e., everyone you will ever talk to).

--

finally, what advantage do i have as a test taker in getting to knw whther it is an absolute phrase or appositive or something else? as long as i can make out from the sentence that whether it makes sense or not, im fine right?


as far as knowing names -- there is really pretty much zero utility in that.
(true story: i actually didn't know the names of any of these constructions until i started teaching the gmat.)

the only possible utility of knowing the names of grammatical structures -- other than the names of extremely basic building blocks, such as nouns, verbs, prepositional phrases, etc. -- is so that you can google them and look at more examples. otherwise, knowing the names is useless.
in fact, it's actually worse than useless -- it's a waste of your time, and it will also increase the chance that you make a mistake (by adding a pointless extra step to your analysis).

the point im askign this question is, im so very confused by the gramamtical jargons used and it makes no sense for me to go through wren and martin now for gmat :(


you don't have to know names -- in fact, frankly, knowing too many names for things is much more likely to hurt you than to help you.

the only skills that you need are recognition and functional knowledge -- i.e., as long as you can fill in the following 2 blanks ...
"if i see something that looks like _________, then it has to do __________"
... for any type of construction that you might encounter, then you are fine.

in fact, i still don't know all of the names of these constructions -- to be perfectly honest, the only reason that i could name "absolute phrases" is because i googled the topic before posting on this forum (yes, seriously).

should we know what they are called and have proper grammer explanations to them?


modifier issues aren't really grammar issues -- they're meaning issues.
i.e., modifiers are not normally wrong because they are grammatically incorrect; they are normally wrong because they modify things that don't make sense. therefore, in most modifier errors, there is no such thing as a "proper grammar explanation" because grammar isn't even the issue in the first place.
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Re: The number of people flying first

by rohini.gangapuram Thu Apr 07, 2011 6:14 am

thanks a ton Ron, very insightful as always.
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Re: The number of people flying first

by jnelson0612 Wed Apr 13, 2011 3:18 pm

Ron rocks! :-)
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Re: The number of people flying first

by ashutosh22 Sun Nov 13, 2011 11:26 am

I purchased all the MGMAT books & OG combo from MGMAT website.
Books are fine but Ron, your clarity & explanations rock!!!

Many time I caught myself googling as "ronpurewal OR lunarpower + <whatever is not clear on SC>"

Now only if i could borrow your head for some time (1 hour 15 min to be precise)...
GMAT in a week and I don't expect my wish will be granted on such a short notice. But still...

Anyway want to say a BIG THANKS RON.
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Re: The number of people flying first

by RonPurewal Mon Nov 28, 2011 6:45 am

ashutosh22 Wrote:Now only if i could borrow your head for some time (1 hour 15 min to be precise)...


if this is a tutoring request, the forum is the wrong place for it. all tutoring should be arranged through student services (google "mgmat tutoring" for more information).

Anyway want to say a BIG THANKS RON.


you're welcome.
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Re: The number of people flying first

by aps_asks Sat Mar 17, 2012 5:01 am

Hi Ron , i feel choice C ) is also ruled out for this question because of the Appositive issue as you pointed out.

Please let me know your comments.
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Re: The number of people flying first

by RonPurewal Wed Apr 04, 2012 5:48 pm

aps_asks Wrote:Hi Ron , i feel choice C ) is also ruled out for this question because of the Appositive issue as you pointed out.

Please let me know your comments.


i'm sorry, but i don't understand what you're asking me here. it appears that you're just agreeing with my reasons for eliminating choice (c).
if that's the case, then... well, i'm glad you agree. but did you have another question?
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Re: The number of people flying first

by ntr1989512 Mon May 07, 2012 9:22 am

RonPurewal Wrote:
victorgsiu Wrote:In B, what does "that of" refer to?

Given "that" usually refers to a noun or noun phrase, would "that of" refer to 'the number'?


it doesn't refer to anything. that's one of the wrong answers!

in fact, you have probably happened upon the most salient reason why that choice is wrong.


HI ron
why can't "that" refer to "the number"?
whether "the number of increase" is redundant? or "the number of increase" change the original meaning?
thanks in advance