Singular or plural verb?

English grammar questions, answered by Alan

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Singular or plural verb?

Post by Jazst » Tue Oct 01, 2013 6:27 pm

"The monitoring and assessment of public policies constitute/constitutes one of the cornerstones of democracy."

Should I use the singular or the plural form? This is translated from a proofread text in Slovene (a singular verb is used in the original text, though a plural verb would generally be used).

Any explanations and suggestions would be greatly appreciated.

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Re: Singular or plural verb?

Post by Alan » Wed Oct 02, 2013 3:46 am

Both are possible, depending on viewpoint, but where in doubt, a plural verb is invariably advisable with a compound subject.