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 quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

be warn

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "be warn" is not correct in written English.
The correct form is "be warned," which is used to caution someone about a potential danger or issue. Example: "Be warned, the path ahead is treacherous and not well marked."

⚠ May contain grammatical issues

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

(No French on the door: The sign warning that it was a construction site where hard hats were to be warn was in no-nonsense English).

News & Media

The New York Times

Just think that the controller will not be warn out, nor will the CD drive make funny noises.

News & Media

TechCrunch

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

But be warned.

News & Media

Independent

(Trenton fans be warned).

Political hopefuls, be warned!

News & Media

The New York Times

He may! Be warned!

News & Media

The New York Times

(Be warned: spoilers ahead).

News & Media

The New Yorker

Be warned: there are hills.

News & Media

Independent

Be wary and be warned.

News & Media

The New York Times

Russian literature purists, be warned.

News & Media

The New York Times

Be warned: these are not for everybody.

News & Media

Independent
Show more...

Expert writing Tips

Best practice

Always use "be warned" instead of "be warn". The latter is grammatically incorrect.

Common error

Remember that after the verb "be" you need to use the past participle form of the verb when expressing a passive voice command or suggestion. Instead of saying "be warn", use "be warned".

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

1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "be warn" is an ungrammatical construction intending to issue a warning or caution. The correct form is "be warned". This error violates basic English grammar rules, as shown by Ludwig AI.

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

The phrase "be warn" is a grammatically incorrect attempt to convey a warning or caution. The correct form is "be warned". Ludwig AI confirms this error, highlighting that the base form of the verb should not follow "be" in this context; instead, the past participle "warned" is required. Since the phrase is incorrect, no authoritative sources use it. To express a warning effectively, it is crucial to use the grammatically correct form "be warned" or other alternatives like "take heed" or "beware".

FAQs

What is the correct way to say "be warn"?

The correct way to say it is "be warned". The phrase uses the passive voice and requires the past participle form of the verb.

When should I use "be warned"?

Use "be warned" when you want to caution someone about a potential danger, problem, or consequence. It's a way to alert them to something they should be aware of.

What can I say instead of "be warned"?

You can use alternatives like "take heed", "be careful", or "beware" depending on the context.

Is "be warn" ever correct in English?

No, "be warn" is not grammatically correct in standard English. The correct form is always "be warned".

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

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.

Source & Trust

60%

Authority and reliability

1/5

Expert rating

Real-world application tested

Most frequent sentences: