The growth of the railroads

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EducationAisle: Master | Next Rank: 500 Posts; Posts: 434; Joined: Sat Mar 27, 2010 10:42 pmFollowed by: 46 members; Location: Bangalore, India; Thanked: 91 times

by EducationAisle » Sat Sep 15, 2012 9:24 pm

Actually "differing" is used as a Participle here. Participles do not have any tense of their own and they derive their tense from the main verb.

In this case, the sentence is in Past, while "reaches" would be Present tense.

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