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Sub 505 Level|   Verb Tense/Form|                  
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ligamenttears
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gtr022001
Of all the vast tides of migration that have swept through history, maybe none is more concentrated as the wave that brought 12 million immigrants onto American shores in little more than three decades.


(A) maybe none is more concentrated as

(B) it may be that none is more concentrated as

(C) perhaps it is none that is more concentrated than

(D) maybe it is none that was more concentrated than

(E) perhaps none was more concentrated than


I see a clear comparison error in #1, the given sentence. The comparison word "more" needs the word "than", not "as". Choice #2 makes the same mistake.

Choices #3 and #4 have a similar decision to make regarding the "it is none" construction, which you do see in English, in things such as "it is none of your business" or "it is none other than...".

However, the subject of this sentence needs to be the head noun for the opening phrase "Of all the vast tides of migration...". As such, the subject has to be "none", and not "it".

It of all the vast tides of migration that have swept through history is none that was was more concentrated than :thumbdown:

It is none of all the vast tides of migration that have swept through history that was more concentrated than :thumbdown:

None of all the vast tides of migration that have swept through history was was more concentrated than :thumbsup:

The answer is clearly #5.
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Can someone explain why preferred tense is past (was) and not present (is)?
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shivam10
Can someone explain why preferred tense is past (was) and not present (is)?

Hello shivam10,

We hope this finds you well.

To answer your query, the simple past tense is the correct tense in this case because the verb in question refers to an action that concluded in the past -- the action of "none" (no other wave of immigration) being more concentrated than the wave that brought 12 million immigrants onto American shores in little more than three decades.

To understand the concept of "Simple Tenses" on GMAT, you may want to watch the following video (~2 minutes):



We hope this helps.
All the best!
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Hello from the GMAT Club VerbalBot!

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