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# SC problem

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Manager
Joined: 02 Jul 2016
Posts: 115

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11 Sep 2016, 00:38
By the end of the Apollo program, twelve Americans have walked on the moon.

This was the question

In the answer key it was provided that instead of have walked it should be had walked.
Couldn't we write would have walked on the moon???
Senior Manager
Joined: 23 Apr 2015
Posts: 322
Location: United States
WE: Engineering (Consulting)

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11 Sep 2016, 10:06
suramya26 wrote:
By the end of the Apollo program, twelve Americans have walked on the moon.

This was the question

In the answer key it was provided that instead of have walked it should be had walked.
Couldn't we write would have walked on the moon???

would have walked , if the Apollo program is still on-going and would end.
had walked, if Apollo program ended at the time this sentence was written.

Given that Apollo program got completed more than 3 decades ago, the question assumes that everyone is aware of that fact.
Manager
Joined: 02 Jul 2016
Posts: 115

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12 Sep 2016, 06:49
Senthil1981 wrote:
suramya26 wrote:
By the end of the Apollo program, twelve Americans have walked on the moon.

This was the question

In the answer key it was provided that instead of have walked it should be had walked.
Couldn't we write would have walked on the moon???

would have walked , if the Apollo program is still on-going and would end.
had walked, if Apollo program ended at the time this sentence was written.

Given that Apollo program got completed more than 3 decades ago, the question assumes that everyone is aware of that fact.

So according to you, would have walked and had walked both are correct???
Re: SC problem &nbs [#permalink] 12 Sep 2016, 06:49
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