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Papgust's GMAT SENTENCE CORRECTION FLASHCARDS directory

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by papgust » Sat Jun 19, 2010 8:09 pm
"Estimate .. ":


"Estimate NJ deer population to have grown" is UNIDIOMATIC.


In general,
"Estimate X to have VERB'ed" is WRONG.
"Estimate that X has VERB'ed" is RIGHT.



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by papgust » Sat Jun 19, 2010 8:11 pm
"Rather than" Vs "Instead of":


"Rather than" is preferable to use for VERBS.

"Instead of" is preferable to use for NOUNS.



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by papgust » Sat Jun 19, 2010 8:12 pm
In general, "FISH" is PLURAL.

If "Fish" is attached with articles such as "a" or "the", then it is SINGULAR.



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by sumanr84 » Sun Jun 20, 2010 7:15 am
papgust wrote:"Twice":


"Twice" CANNOT function as an object of the preposition such as "by".

"Twice" is an adverb.


Example:
"... increased by more than twice .." -- WRONG!



Courtesy: Ron Purewal, GMAT Expert.
On a similar note, "DOUBLE" is an adjective and cannot modify verb, but since "Twice" is an adverb it can modify Verb.
Example:-
The same amount of acreage produces double the apple.... -- WRONG
The same amount of acreage produces twice as many apples..... --CORRECT
I am on a break !!
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by papgust » Sun Jun 20, 2010 7:29 am
Good point suman. Thanks for sharing it!
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by papgust » Fri Jun 25, 2010 7:19 pm
"X was more concentrated than Y"


When Y uses a past tense, "was" (a past tense) must be used by X. MAINTAIN PARALLELISM b/w X and Y including TENSES.


--> [Refer OG11, Qn. # 2] <--
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by papgust » Fri Jun 25, 2010 7:20 pm
"Maybe" and "Perhaps" are INTERCHANGEABLE.

"Perhaps" is slightly more formal.


--> [Refer OG11, Qn. # 2] <--
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by papgust » Fri Jun 25, 2010 7:21 pm
"double what it was in 1977".

"what it was" is awkward, wordy and unclear according to GMAT standards.


--> [Refer OG11, Qn. # 4] <--
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by papgust » Fri Jun 25, 2010 7:24 pm
AVOID DUPLICATION:


"... in the past would have conceded previously to rivals".

"Previously" repeats the idea of "in the past". WRONG!!



--> [Refer OG11, Qn. # 5] <--
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by papgust » Fri Jun 25, 2010 7:25 pm
"Although" typically introduce a subordinate clause that has a SUBJECT and a VERB.



--> [Refer OG11, Qn. # 9] <--
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by papgust » Fri Jun 25, 2010 7:28 pm
"In Japan, unlike the United States ... "


"In Japan" MUST be balanced by "in the United States" to maintain parallelism.

BUT, the preposition "in" CANNOT follow the preposition "Unlike". Therefore, this construction is ALSO awkward and imprecise.



--> [Refer OG11, Qn. # 10] <--
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by papgust » Sun Jun 27, 2010 6:28 pm
"Contrast":

Correct idioms for contrasts:

* In contrast to X, Y
* In contrast with X, Y
* Unlike X, Y

-- X and Y must be grammatically and logically parallel.


Incorrect Idiom:

* As contrasted with X, Y



--> [Refer OG11, Qn. # 16] <--
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by papgust » Sun Jun 27, 2010 6:30 pm
"are in danger" is ALWAYS followed by "of".


Incorrect Idioms:

* "are in danger to"
* "have a danger"



--> [Refer OG11, Qn. # 27] <--
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by papgust » Sun Jun 27, 2010 6:31 pm
"seem to indicate that .." is a PROPER idiom.
"seem as if ... " is correct in SOME contexts.



--> [Refer OG11, Qn. # 29] <--
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by papgust » Sun Jun 27, 2010 6:34 pm
"X as much as Y" is a PROPER idiom.

"Not so much as" is another PROPER idiom used ONLY in the negative contexts.
E.g:
"Not so much as a whisper was heard from the crowd"


Incorrect Idioms:
* "So much/many as"
* "As much/many that"
* "So much/many that"



--> [Refer OG11, Qn. # 30] <--
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