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There is a phrase "Not only should I succeed but others should fail". And I saw it many times in similar structures that the order of words "should I" are as if they were in a questioning sentence. (In a declarative sentence the order is "I should")

Can anyone give me an explanation why that is?

marked as duplicate by RegDwigнt Jan 23 '14 at 14:58

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I don't know the specific grammatical rule for this, but it is common to invert subject and verb when adverbs or adverb phrases are placed at the beginning of a sentence. See more here:


and here:


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