Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a extensive array
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a extensive array" is not correct.
It should be "an extensive array." You can use it when describing a wide variety or range of items, options, or features. Example: "The conference showcased an extensive array of innovative technologies that are shaping the future."
⚠ May contain grammatical issues
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
Our observations record a shift in depositional environments as a response to an extensive array of anthropogenic alterations.
Science
Attempts at remediation have resulted in a variety of strategies, including an extensive array of secondary forests (Schelhas and Sánchez-Azofeifa 2006), providing a unique opportunity to study the effects that such strategies may have on soil structure and function.
Academia
While attending jazz shows and rehearsals at the Metropole, a nightclub in Midtown, and the Central Plaza, a downtown dance hall, Mr. Bradley compiled an extensive array of records, which he traded with other enthusiasts.
News & Media
MeV is a java-based desktop application that wraps an extensive array of clustering, statistical and visualization tools in an easy-to-learn graphical user interface.
Science
Choose from an extensive array of teas and a variety of international dishes (from Korean to Persian to Thai classics).
News & Media
Zhang et al (2006) demonstrated in an extensive array CGH setup that a large number of miRNAs are subject to DNA copy number abnormalities in cancer.
Science
Here are a few good options: Qustodio has an extensive array of options, and works on just about any computer and mobile device, except for Linux.
Wiki
The nation's largest military air show performs above MCAS, while an exhibit of past and present aircraft — along with an extensive array of ground-combat equipment — offers enthusiasts an insider's glimpse of wartime weapons.
News & Media
"The militant group stormed toward the police firing shots and wielding dangerous weapons," Ms. Phiyega said at an emotional news conference here, using an extensive array of aerial photographs and video to demonstrate how the violence unfolded.
News & Media
I was taken to a nearby trauma center and went through an extensive array of surgical procedures.
News & Media
Los Santos also boasts an extensive array of tennis courts – playing a hardened bank robber can be as unpredictable as tackling John McEnroe in his prime.
News & Media
Expert writing Tips
Best practice
Always use the correct article "an" before "extensive" to ensure grammatical accuracy. Opt for "an extensive array" instead of "a extensive array".
Common error
Avoid using the indefinite article "a" before words starting with a vowel sound. "Extensive" begins with a vowel sound, so use "an" instead. Using "a" is a common grammatical mistake that can detract from your writing's credibility.
Source & Trust
60%
Authority and reliability
1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a extensive array" is intended to function as a determiner phrase, modifying a noun by indicating a wide and varied collection. However, due to the incorrect article usage, it fails to perform this function grammatically. Ludwig AI flags this usage as incorrect.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "a extensive array" is grammatically incorrect. It should be "an extensive array". This phrase is used to describe a wide variety or range of something. Ludwig AI marks "a extensive array" as incorrect due to the improper use of the article "a" before a word that begins with a vowel sound. To ensure clarity and credibility in your writing, always use the correct article. Alternative phrases include "a wide range", "a broad selection", and "a diverse collection".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
an extensive array
Corrects the grammatical error by using the appropriate article 'an' instead of 'a' before 'extensive'.
a wide range
Replaces "extensive array" with a more common and straightforward expression.
a broad selection
Offers a synonym for "array" that emphasizes choice and variety.
a diverse collection
Highlights the variety within the group of items being described.
a comprehensive assortment
Suggests a complete and varied mix of items.
a considerable variety
Emphasizes the degree of difference and diversity.
a substantial number
Shifts the focus to quantity rather than variety, suitable when referring to a large quantity of similar items.
a multitude of
Implies a very large number, potentially more emphatic than "extensive array".
various types
A simpler alternative that focuses on the different kinds of items.
a spectrum of
Metaphorically suggests a range of options or qualities, often used for abstract concepts.
FAQs
What's the correct way to say "a extensive array"?
The correct phrase is "an extensive array". The indefinite article "an" is used before words that begin with a vowel sound.
Is "a extensive array" grammatically correct?
No, "a extensive array" is grammatically incorrect. The correct form is "an extensive array".
What are some alternatives to "an extensive array"?
Alternatives include "a wide range", "a broad selection", or "a diverse collection", depending on the context.
How can I remember to use "an" instead of "a"?
Remember that "an" is used before words that start with a vowel sound. Since "extensive" begins with a vowel sound, "e", the correct article is "an", resulting in "an extensive array".
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
60%
Authority and reliability
1/5
Expert rating
Real-world application tested