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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
he has alerted
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "he has alerted" is correct and usable in written English.
It can be used when indicating that someone has informed or warned another person about something. Example: "He has alerted the authorities about the suspicious activity in the area."
✓ Grammatically correct
News & Media
Alternative expressions(5)
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
7 human-written examples
He has alerted them to the value of living in the here and now.
News & Media
He has alerted people to many such issues long before they were widely noticed, let alone on everybody's lips.
News & Media
In his morning tweets, Trump also expressed frustration with Mexico's military and police, saying they appear "unable to stop the Caravan" and that he has alerted the U.S. Border Patrol and military to what he termed a national emergency.
News & Media
Donald Trump has said that he has alerted the military and federal border authorities that a US-bound migrant caravan from Central America was a "national emergency", and warned that the United States would begin curtailing aid to the region.
News & Media
The voice on the phone, saying he has alerted Sandra's boss, instructs her to subject Becky to a series of escalating humiliations — confine her to the stockroom, seize her belongings, conduct a strip search and on and on — all of which, as the title suggests, she obeys.
News & Media
Sikich said he has alerted the L.A. Zoo and other landowners that they are responsible for protecting animals with enclosures and fencing.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
53 human-written examples
Cain's lawyer said he had alerted his wife Gloria.
News & Media
Bronner said he had alerted his editors, as the paper's ethics guidelines require.
News & Media
He had alerted Indonesian leaders that terrorists were at work, and could strike at anytime.
News & Media
He had alerted Lincoln of a possible assassination attempt in Baltimore during Lincoln's inaugural journey from Springfield, Ill. in February.
News & Media
It was Lewis who called Lawrence and persuaded him to speak to a gay-civil-rights veteran he had alerted.
News & Media
Expert writing Tips
Best practice
When using "he has alerted", ensure the context clearly indicates who was alerted and what the potential danger or issue is. Clarity prevents ambiguity.
Common error
Avoid using "he has alerted" without specifying to whom the alert was directed. For example, instead of saying "he has alerted", specify "he has alerted the authorities" or "he has alerted his family".
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "he has alerted" functions as a verb phrase in the present perfect tense, indicating a completed action with current relevance. Ludwig AI confirms its grammatical correctness. It typically introduces a notification or warning directed at someone or something.
Frequent in
News & Media
100%
Less common in
Science
0%
Formal & Business
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "he has alerted" is a grammatically sound and usable verb phrase, as confirmed by Ludwig AI, indicating that someone has warned or informed another party. While categorized as "Uncommon" in terms of frequency, its consistent presence in news and media sources underscores its reliability in formal and neutral contexts. When employing this phrase, ensuring clarity regarding who was alerted and the nature of the concern is crucial for effective communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
he notified
Focuses on the act of informing someone officially or formally, differing slightly in formality.
he warned
Emphasizes cautioning someone about a potential danger or problem, adding a sense of urgency.
he informed
Stresses the act of providing information, often in a neutral or objective manner.
he cautioned
Highlights the act of advising someone to be careful, adding a protective element.
he advised
Implies giving guidance or recommendations, suggesting expertise or experience.
he made aware
Focuses on bringing someone's attention to a particular fact or situation, often implying a lack of prior knowledge.
he apprised
Indicates informing someone of something, particularly something important or urgent.
he signaled
Suggests communicating something through a gesture or indication, rather than explicit words.
he tipped off
Implies secretly informing someone, often about something illicit or private.
he cautioned against
Specifically warns against a particular action or behavior, adding a strong recommendation.
FAQs
What can I say instead of "he has alerted"?
You can use alternatives like "he notified", "he warned", or "he informed" depending on the context.
Is "he has alerted" grammatically correct?
Yes, "he has alerted" is grammatically correct. It uses the present perfect tense to indicate that someone has performed the action of alerting.
How to use "he has alerted" in a sentence?
You can use "he has alerted" in a sentence to indicate that someone has warned or informed someone else about something. For example, "He has alerted the police about the suspicious activity".
What's the difference between "he has alerted" and "he alerted"?
"He has alerted" uses the present perfect tense, suggesting the action has relevance to the present. "He alerted" uses the simple past tense, indicating a completed action in the past with no direct connection to the present.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested