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 couple of test
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a couple of test" is not correct in English.
It should be "a couple of tests." You can use it when referring to two or a few tests in a casual context. Example: "I need to conduct a couple of tests to ensure the software is functioning properly."
⚠ May contain grammatical issues
News & Media
Science
Wiki
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
19 human-written examples
Last year the firm had to stop drilling a couple of test wells after a spill-containment vessel was damaged.
News & Media
The television commercial, which was shown in a couple of test markets in the spring, began running this month for the holiday season.
News & Media
While researching my article on Amazon Art, Amazon's new fine-art and collectibles site, I made a couple of test purchases.
News & Media
She must fill in the forms again, read the pamphlet, which droned about team work, commitment, engagement, merchandising and goals, and then they'd fit her in for a couple of test sessions.
News & Media
On a couple of test runs in the yard of a home here belonging to a friend of Mr. Martin, the jetpack jumped off the ground as if impatient to get moving, scattering a cloud of dirt and grass clippings.
News & Media
It's the most marvellous of quadrennials – a summer that contains all of the annual sporting staples (Wimbledon, the Open, a couple of Test series) plus the European football championships and the Olympic Games.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
40 human-written examples
Once a résumé is approved, candidates receive an e-mail link for taking a couple of tests.
News & Media
I'm one of the lucky ones; my parents care about my grades but do not penalize me for failing a couple of tests.
News & Media
Do a couple of tests with makeup and latex, even on the back of your hand or on your brother or sister.
News & Media
We did a couple of tests and Tobias was like "all right, all right, what the fuck are we going to do?".
News & Media
End-of-term report The teaching staff expected better from the head boy of the past two years but, though he excelled in a couple of tests, he seemed distracted in the second half of the year and is no longer top of the class.
News & Media
Expert writing Tips
Best practice
Always use the plural form "tests" with "a couple of". This ensures grammatical correctness and clarity in your writing.
Common error
Avoid using the singular form "test" after "a couple of". It's a common mistake that can detract from the clarity and professionalism of your writing. Remember: "a couple of tests" is correct.
Source & Trust
82%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a couple of test" functions as a determiner phrase aiming to specify a quantity. However, it is grammatically incorrect, as the noun should be plural (tests). As pointed out by Ludwig, the correct form is "a couple of tests".
Frequent in
News & Media
55%
Science
30%
Wiki
15%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "a couple of test" is commonly used, but grammatically incorrect; the correct form is "a couple of tests". Ludwig AI highlights this error, advising to use the plural form "tests". Although prevalent in news and media, its incorrectness makes it unsuitable for formal writing. When you intend to refer to two or a few tests, always ensure you use the plural form of the noun, maintaining grammatical accuracy and clarity in your communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a couple of tests
This is the grammatically correct form of the original phrase, referring to two or a small number of tests.
a few tests
This alternative uses 'few' instead of 'couple', suggesting a small but indefinite number of tests.
a pair of tests
This alternative uses 'pair' which is synonymous with 'couple' in this context, referring to exactly two tests.
two tests
This provides a precise number of tests, removing the ambiguity of 'a couple'.
several tests
This suggests more than two tests, indicating an unspecified small number.
a set of tests
This suggests that the tests are related or grouped together.
some tests
This is a general term for an unspecified quantity of tests.
a number of tests
This implies more than just a couple, suggesting a greater quantity of tests.
a limited number of tests
This emphasizes that the quantity of tests is small.
initial tests
This focuses on the tests being performed at the beginning of a process.
FAQs
What is the correct way to say "a couple of test"?
The correct way to phrase it is "a couple of tests". The noun "test" should be in its plural form when used with "a couple of".
Is "a couple of test" grammatically correct?
No, "a couple of test" is grammatically incorrect. The proper phrasing is "a couple of tests", using the plural form of the noun.
What can I say instead of "a couple of test"?
Since "a couple of test" is incorrect, you can use phrases like "a couple of tests", "a few tests", or "two tests" depending on the level of precision you want to convey.
Which is correct, "a couple of test" or "a couple of tests"?
"A couple of tests" is the correct phrase. The word "tests" should be plural to agree with "couple", which implies more than one.
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
82%
Authority and reliability
2.8/5
Expert rating
Real-world application tested