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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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a behaviours

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "a behaviours" is not correct in written English.
The correct form would be "a behavior" in American English or "a behaviour" in British English, as "behaviour" is an uncountable noun. Example: "He exhibited a behaviour that was unexpected in such a calm situation."

⚠ May contain grammatical issues

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

(statistically or logically)'; (vi) describing causality – 'Has the theory been used to describe mechanisms of change?' (vii) achieving parsimony – 'Has the case for parsimony been made?' (viii) generalisablity – 'Have generalisations been investigated across': (a) behaviours?

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

The study described here explored discrepancies between self-ratings and interview ratings of Type A behaviour.

It's very type-A behaviour, don't you think?" And was this process helpful?

It's a behaviour".

Illness is a behaviour.

Journalism as a behaviour.

Sanitation is largely a behaviour change challenge.

News & Media

The Guardian

"I think city life encourages a certain behaviour – not a behaviour I like.

It is often less the behaviour and more the appropriateness of the behaviour for a child of a certain age that makes a behaviour problem a behaviour disorder.

Encyclopedias

Britannica

This project has a behaviour goal and a measurable result.

News & Media

The Guardian

This, in itself could represent a behaviour change opportunity.

News & Media

The Guardian
Show more...

Expert writing Tips

Best practice

Always use the singular form "behavior" or "behaviour" when referring to the general concept. To refer to multiple distinct instances, use "behaviors" or "behaviours".

Common error

Avoid pluralizing "behavior" or "behaviour" with an "s" after "a". Use "a behavior" or "a type of behavior" instead to maintain grammatical accuracy.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

60%

Authority and reliability

1.2/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "a behaviours" is grammatically incorrect. The word "behaviour" is typically an uncountable noun, requiring the singular form when used with the indefinite article "a". Therefore, the intended function is to describe a single instance of behavior, but the incorrect pluralization undermines this purpose. Ludwig AI confirms this grammatical error.

Expression frequency: Missing

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 behaviours" is grammatically incorrect. "Behaviour" is generally an uncountable noun, and when used with the indefinite article "a", it should remain in its singular form: "a behavior" (American English) or "a behaviour" (British English). To refer to multiple instances, use the plural form "behaviors" or "behaviours" without the article "a". As Ludwig AI points out, this error undermines the intended meaning, highlighting the importance of grammatical precision in both formal and informal contexts.

FAQs

How do I correctly use the word "behaviour" in a sentence?

Use the singular form "behaviour" when referring to a general concept, as in "That's "a strange behaviour"." If you mean multiple instances, use "behaviours" without "a" before it, such as "These are common behaviours".

What is the difference between "behavior" and "behaviours"?

"Behavior" (American English) or "behaviour" (British English) is the general term. "Behaviours" is the plural form, used when referring to multiple instances of behavior. You would say "this is a typical behavior", not "a behaviours".

Is it ever correct to say "a behaviours"?

No, "a behaviours" is grammatically incorrect. The correct form is "a behavior" (American English) or "a behaviour" (British English), using the singular uncountable noun. If referring to multiple instances, use "behaviours" without the article "a".

What can I say instead of "a behaviours" to sound more grammatically correct?

Instead of "a behaviours", you could say "a behavior", "a kind of behaviour", or simply "behaviours" if referring to multiple instances.

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Most frequent sentences: