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"Why are there both a somethingA and a somethingB?" vs "Why is there both a somethingA and a somethingB?"

What are their differences in usage, meaning and historical prevalence?

1 Answers1

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There is both or why is there both would be preferable when "both" is followed by two singular terms.

I couldn't find much in the way of examples for "why is there both a... and a...", or similar uses with two singular nouns. Google NGrams was no help. But I found some for the non-question form (via Google Books snippet view):

"there is both a quantifiable measure and a non-quantifiable" (Military Construction, Veterans Affairs, and Related.... United States Congress House Committee on Appropriations. Subcommittee on Military Construction, Veterans Affairs, and Related Agencies. 2011)

"There is both Social cohesion and conflict." (Publications Volumes 12–14 By University of South Carolina. Public Administration Bureau. 1956)

"There is both a local and national interest in improving the local road network" (Government and the Economy on the Amazon Frontier. Robert R. Schneider. 1995)

However it is not an uncommon confusion: I found "There are 69 places in which there are both a Presbyterian and a Congregational church", which might be justified by the presence of "there are" with an obvious plural immediately before. (The Record of the Presbyterian Church in the United States of America. Volumes 24–25. Presbyterian Church in the U.S.A. 1873, page 2)

Note that "both" can be followed by two plurals, so you could have: "There are both frogs and newts living in my garden" but "There is both a frog and a newt living in my garden". (The case where you have one plural and one singular is left as an exercise to the reader.)

Also, more off-topic, but note that in colloquial English it is common to use "there's" even with a plural noun, despite it meaning "there is"; however it is less common to use "there is" with a plural. (Cambridge Dictionaries: British Grammar: There is, there's and there are).

Stuart F
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    Why 'There is both a frog and a newt living in my garden' when no one would use 'A frog and a newt is both living in my garden'? – Edwin Ashworth Apr 04 '23 at 11:11
  • Any suggestion for the pronunciation of there're and how it would compare to there or they're? – Henry Apr 04 '23 at 15:44
  • I think the church example is a little unclear-- it's correct as shown because "are" is referring to "places". You can say "There are 69 places", or "There is a Presbyterian church", but not "There is 69 places" or "There are a Presbyterian church". – Cooper Apr 04 '23 at 15:53
  • @Edwin: It's because the structure is different. (Both a frog and a newt) are living but Both (a frog is living) and (a newt is living) – Ben Voigt Apr 04 '23 at 17:58
  • I still don't see that 'There is both or why is there both would be preferable' is supported, when you give examples of both variants. The raw Google data in my first comment (under the question) are at least some evidence of idiomaticity. – Edwin Ashworth Apr 04 '23 at 18:26