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Geologists believe that the Bering land bridge, over which [#permalink]
01 Feb 2005, 07:30
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Geologists believe that the Bering land bridge, over which human beings are thought to have first entered the Americans, disappeared about 14,000 years ago when massive glaciers melted and caused the sea level to rise several hundred feet worldwide.
(A) are thought to have first entered
(B) were thought first to enter
(C) were thought at first to enter
(D) are thought of as first entering
(E) were thought to first enter
Seems that everyone got this right.
Now my question is: why "to have first entered", and why not just "to first enter"
By saying "to have first entered", it seems like they still "enter" from past to present since this is present perfect.
Yeah, I got what you are saying. As a matter of fact, that was what I learned in school too. GMAT changed my thought about the use of present perfect a little bit. So far, every SC question with present perfect refers that the action was from past to present.
Present perfect tense is about actions done in the past and stretch to the present but it is also about actions that ended in the past, period. I agree with Honghu's explanation and I will refer you to this link explaining present perfect: http://www.ccc.commnet.edu/grammar/tens ... erfect.htm Look and scroll down the top right box. _________________
Re: Geologists believe that the Bering land bridge, over which [#permalink]
10 Jul 2016, 11:17
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Re: Geologists believe that the Bering land bridge, over which
10 Jul 2016, 11:17