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As it is with traditional pharmacies, on-line drugstores rely on

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Re: As it is with traditional pharmacies, on-line drugstores rely on  [#permalink]

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New post 02 Jun 2019, 18:37
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wanghewei wrote:
hi expert
AjiteshArun , GMATNinja , MagooshExpert , GMATGuruNY , VeritasKarishma , ChiranjeevSingh , VeritasPrepBrian
As is the case with traditional pharmacies, prescriptions are the cornerstone of a successful on-line drugstore,since it is primarily prescriptions that attract the customers, who then also buy other health-related items.

what is the "SINCE IT" refer to?
Hi wanghewei,

This is a particular type of dummy it, used to change what would otherwise have been the subject of the sentence. Let's quickly take a look at why someone may use it:

1. The wording of the question confused me. ← This is fine, even though parents is plural.
2. It was the wording of the question that confused me. ← This is the same sentence, but the way it is constructed draws extra attention to the wording of the question. This could be used, for example, by a test taker to emphasize that it was the wording of the question (and nothing else) that confused him or her.

Don't worry too much about the difference between (1) and (2). The GMAT is extremely unlikely to test us on this. What is important is that we remember that there is no corresponding "plural" for this type of it, so we go with [it + singular verb] even when the noun on the other side is plural.

3. It was his parents who encouraged him to take the GMAT. ← This is fine.
4. They were his parents who encouraged him to take the GMAT. ← Trying to make the it in (3) plural somehow leads to an incorrect sentence.

5. ... it is primarily prescriptions that attract the customers... ← We ignore the fact that prescriptions is plural.

Remember not to apply this to other verbs:

6. It was his parents who were... ← The was is singular, but the were is plural (to go with parents).
7. It was his parents who was... ← This is incorrect.
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Re: As it is with traditional pharmacies, on-line drugstores rely on  [#permalink]

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New post 22 Jun 2019, 14:45
wanghewei wrote:
hi expert
AjiteshArun , GMATNinja , MagooshExpert , GMATGuruNY , VeritasKarishma , ChiranjeevSingh , VeritasPrepBrian
As is the case with traditional pharmacies, prescriptions are the cornerstone of a successful on-line drugstore,since it is primarily prescriptions that attract the customers, who then also buy other health-related items.

what is the "SINCE IT" refer to?

As the always-wise AjiteshArun indicated, the "it" in this case is one of those strange dummy pronouns that don't have a referent. In constructions such as "it is raining" or "it is wrong to laugh at small children when they put legos in their noses," the "it" seems to imply a general state of affairs and doesn't refer to another noun in the sentence.

Two things I want to emphasize in this situation: 1) these constructions are rare on the GMAT, so don't worry about them too much, and 2) when in doubt about a pronoun, look for other, more concrete issues to use as decision points. If there are four concrete errors, and the one remaining option contains a weird pronoun but no other identifiable problems, the latter will be the correct answer.

I hope that helps!
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As it is with traditional pharmacies, on-line drugstores rely on  [#permalink]

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New post 20 Jul 2019, 22:44
egmat wrote:
Hi All,

As it is with traditional pharmacies, online drugstores rely on prescriptions to be successful, since it is primarily prescriptions that attract the customers, who then buy other health-related items.

Image
On reading the sentence carefully, we know that this sentence presents a comparison. The intended comparison is between traditional pharmacies and online drugstores. The point of comparison is that just like traditional pharmacies, online drugstores also depend upon the success of prescriptions for the said reason.
Since there is a comparison in this sentence, we can use either “LIKE + Noun” or “AS + Clause”. Let’s run the POE.

Image

POE

A) As it is with traditional pharmacies, online drugstores rely on prescriptions to be successful: Incorrect. Pronoun “it” is referring to the entire clause “online drugstores rely on prescriptions to be successful”. This is incorrect because a pronoun can only refer to a noun or a pronoun.

B) As with the case of traditional pharmacies, online drugstores rely on prescriptions to have success: Incorrect. Since “as” has been used for comparison in this choice, it must be followed by a clause. But “with the case of traditional pharmacies” is a prepositional phrase and not a clause.

C) As is the case with traditional pharmacies, prescriptions are the cornerstone of a successful online drugstore: Correct. “As” is followed by a clause. Also, this choice maintains the parallelism by using “is” and “are”. What is the case with traditional pharmacies? It is that prescriptions are the cornerstone for their success. Hence, the comparison is parallel here.

D) As traditional pharmacies, so online drugstores rely on prescriptions to be successful: Incorrect. “As” is not followed by a clause.

E) Like traditional pharmacies, the cornerstone of a successful online drugstore is prescriptions: Incorrect. This choice presents illogical comparison. Here “traditional pharmacies” have been compared to “the cornerstone”. Also, use of “so” is not correct.

Image

1. In comparisons, “like” must be followed by a NOUN.
2. In comparisons, “as” must be followed by a CLAUSE.
3. Pronouns can only refer to nouns and other pronouns.
4. Comparison should always be logical.

Hope this helps. Thanks.
Shraddha



Hi egmat

I cannot seem to understand why you have rejected option B on the basis of prepositional phrase? As per the "Usage of As" module in your course, As + prepositional phrases can be used to present comparison. The catch is of "ellipsis".

Quoting you:

B) As with the case of traditional pharmacies, online drugstores rely on prescriptions to have success: Incorrect. Since “as” has been used for comparison in this choice, it must be followed by a clause. But “with the case of traditional pharmacies” is a prepositional phrase and not a clause.

After adding ellipsis - As it is with the case of traditional pharmacies....

Also, I thought "it" is the placeholder (dummy) "it". Why is "it" referring to a clause?

Thanks.
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Re: As it is with traditional pharmacies, on-line drugstores rely on  [#permalink]

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New post 12 Nov 2019, 23:25
Experts i have slight doubt GMATNinja VeritasKarishma egmat

It has 2 roles one as a pronoun and second as a placeholder

my doubt is why can't the pronoun act as a placeholder in option A?
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Re: As it is with traditional pharmacies, on-line drugstores rely on   [#permalink] 12 Nov 2019, 23:25

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