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# Usage of do vs have

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Senior Manager
Joined: 24 Sep 2006
Posts: 272

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Usage of do vs have [#permalink]

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24 Sep 2006, 23:26
Hi Guys,

Can anyone explain the difference between usage of do and have?

She has visited more places than I have.

She speaks better than I do.

These are some simple examples. But I would like to know how does one identify usage of do and have in GMAT SC's

TIA
_________________

AimHigher

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VP
Joined: 21 Mar 2006
Posts: 1124

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Location: Bangalore
Re: Usage of do vs have [#permalink]

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25 Sep 2006, 04:23
AimHigher wrote:
Hi Guys,

Can anyone explain the difference between usage of do and have?

She has visited more places than I have.

She speaks better than I do.

These are some simple examples. But I would like to know how does one identify usage of do and have in GMAT SC's

TIA

From the examples you have provided, it seems like:
have is used for present-prefect tense (has visited)
do is used for simple present tense (speaks)

Kudos [?]: 46 [0], given: 0

Manager
Joined: 14 Sep 2006
Posts: 197

Kudos [?]: 58 [0], given: 0

Schools: Olin Business School - Washington University

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25 Sep 2006, 10:20
Also, might be helpful to think of them with what is implied...

I.e.

She has visited more places than I have (visited).

She speaks better than I do (speak).

Kudos [?]: 58 [0], given: 0

25 Sep 2006, 10:20
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