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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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be alert

Grammar usage guide and real-world examples

USAGE SUMMARY

"be alert" is correct and usable in written English.
You can use it to call attention to a potential danger or alert someone to a possible threat. For example, "Be alert for suspicious activity when you walk alone at night."

✓ Grammatically correct

Wiki

News & Media

Science & Research

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Be alert of alertness.

Passengers need to be alert.

News & Media

The New York Times

You have to be alert.

News & Media

The New York Times

Please be alert".

So be alert.

News & Media

The New York Times

Also, just be alert.

Be alert for ambiguities of every kind.

News & Media

The New York Times

2) Be alert but comfortable.

Science & Research

Science Magazine

Be alert, friends!

News & Media

TechCrunch

Failing that, be alert.

News & Media

TechCrunch

Be alert, folks.

News & Media

TechCrunch
Show more...

Expert writing Tips

Best practice

When using "be alert" in writing, clearly specify what the subject should be alert to in order to provide actionable information.

Common error

Avoid using "be alert" without specifying the potential threat or situation. A general statement lacks actionable advice. Instead of saying just "Be alert", specify "Be alert for phishing emails" or "Be alert to changes in your surroundings".

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

76%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "be alert" primarily functions as an imperative, used to issue a command or instruction. It calls for a state of readiness and attentiveness in the face of potential or perceived threats. Ludwig AI confirms this usage is grammatically sound and widely recognized.

Expression frequency: Very common

Frequent in

Wiki

35%

News & Media

32%

Science & Research

12%

Less common in

Formal & Business

8%

Science

6%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, the phrase "be alert" is a grammatically correct and highly versatile imperative, employed to advise or instruct someone to maintain vigilance and preparedness. Ludwig AI confirms its validity and common usage. While generally neutral in tone, it's crucial to specify the target of alertness to enhance clarity and effectiveness. Related phrases such as "stay vigilant" or "remain watchful" offer similar meanings. Common errors involve using the phrase vaguely without specifying the potential threat. It is very common in Wiki, News & Media and Science & Research sources.

FAQs

How can I use "be alert" in a sentence?

You can use "be alert" to warn someone about potential dangers or to encourage them to pay attention to their surroundings. For example, "Be alert while driving in bad weather" or "Be alert for potential scams".

What's a more formal way to say "be alert"?

In more formal contexts, you could use phrases like "exercise vigilance", "maintain awareness", or "remain observant". These alternatives convey a similar meaning with a more professional tone.

What are some synonyms for "be alert"?

Some synonyms for "be alert" include "stay vigilant", "remain watchful", and "keep an eye out". The best choice depends on the specific context.

Is it always necessary to specify what someone should "be alert" for?

While not always grammatically required, specifying what someone should "be alert" for greatly enhances clarity and provides practical guidance. Vague warnings like just saying "Be alert!" can be confusing and less effective.

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Source & Trust

76%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: