I’m struggling to understand what the correct wording should be here:

  • There is a wide array of learning-based image generation tools.

Why is the author using is?

The sentence is referring to tools. Shouldn’t its verb therefore be plural to match tools?

When I put this sentence into some grammar-correction website, it corrects it to:

  • There are a wide array of learning-based image generation tools.

But the Grammarly website does not complain.

What then is the correct usage, and why? Could both be right? Who decides this?

  • 2
    But array is singular. Oct 18, 2022 at 20:26
  • An array is a systematic arrangement of similar objects, usually in rows and columns. en.wikipedia.org/wiki/Array Oct 18, 2022 at 22:55
  • Perhaps it varies by dialect; e.g. "The company is," singular, in USA and "The company are," plural, in UK. See books.google.com/ngrams/… Oct 19, 2022 at 0:13
  • Huh? Nobody says "The company are". And the ngram is exactly what you expect from a mistake.
    – Fattie
    Oct 21, 2023 at 14:39

2 Answers 2


There is a wide array of learning-based image generation tools.

I would call this sentence grammatically valid and natural. A fluent speaker might well say or write this. An array can be, and often is, a single object, composed of many parts, just as a collection can be. I would never say "an array are" but always "an array is".

The definition quoted by user Harrier Panels is only one sense of the word "array". An array need not always consist of similar objects, and it need not be aranged ion rows ansd columns, aslthough often it is. But in the use "a wide array of tools" (or indeed of anything) the word "array" has essentially the same meaning as "range" or "set". Either of those could be substituted here without changing the meaning.

Merriam-webster gives as the first definition of "array" A noun:

? an imposing group : large number faced a whole array of problems also : variety, assortment /a broad array of styles*

Cambridge gives:

a large group of things or people, especially one that is attractive or causes admiration or has been positioned in a particular way:

  • There was a splendid array of food on the table.
  • They sat before an array of microphones and cameras.

Collins statews:

An array of different things or people is a large number or wide range of them. As the deadline approached she experienced a bewildering array of emotions.

Note that all of these use array as a singular noun, amd none of them mentions rows and columns (although other senses do).

  • Nicely explained!
    – Fattie
    Oct 21, 2023 at 14:39

There is an array of tools.

'Array' is usually singular. Is is appropriate here.

There is a wide array of learning-based image generation tools. ('Is' has been used with 'array', NOT with 'tools')

There are learning-based image generation tools. ('Are' has been used with 'tools')

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