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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
letting him know
Grammar usage guide and real-world examplesUSAGE SUMMARY
"letting him know" is a correct grammatical phrase.
You can use it when you are referring to a specific person in a sentence. For example, "The manager sent an email to his boss, letting him know that the project was completed."
✓ Grammatically correct
News & Media
Wiki
Academia
Alternative expressions(20)
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
60 human-written examples
It was his bank letting him know his credit card had been used abroad.
News & Media
On Sept. 10, he heard from the bank, letting him know a date had been set.
News & Media
It was M's way of letting him know he had to fly to Morocco at a moment's notice.
News & Media
He cornered him in a parking lot, letting him know that he had crossed the wrong guy.
News & Media
He has a father who received the dreaded phone call letting him know that his son had been injured.
News & Media
He keeps it right in his office, where he can watch the lights glow, letting him know all is safe.
News & Media
I'm just letting him know I'm going to be there every time".
News & Media
"The guys were tremendously helpful talking to him and letting him know where to be.
News & Media
He's just sending a little message to Hamilton, there, letting him know he's in control.
News & Media
Mendes was, he felt, with hubba-hubba emphasis, "letting him know what he'd left behind".
News & Media
I'm putting myself in his shoes, and letting him know he's not crazy.
News & Media
Expert writing Tips
Best practice
Use "letting him know" to convey a direct or indirect act of informing someone about something. This phrase is versatile and suits various contexts, from casual conversations to formal announcements.
Common error
Avoid using "letting him know" excessively in passive constructions. Ensure the sentence clearly identifies who is doing the letting and why, to maintain clarity and impact. For example, instead of "He was letting him know", specify "John was letting him know."
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "letting him know" is that of a participial phrase, often acting as an adverbial modifier to describe the manner in which an action is performed. Ludwig AI indicates that the phrase is grammatically correct.
Frequent in
News & Media
47%
Wiki
37%
Academia
16%
Less common in
Formal & Business
0%
Science
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "letting him know" is a versatile and commonly used expression for conveying information, as validated by Ludwig. While grammatically correct and frequently found in news articles, wikis, and academic texts, it's crucial to consider the context. Opt for more formal alternatives like "informing" or "notifying" in professional settings. Ludwig's examples illustrate the phrase's widespread use, highlighting its importance in effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
telling him
A simpler and more direct way of conveying the same idea.
informing him
Focuses directly on the act of providing information.
making him aware
Emphasizes bringing something to his attention.
communicating to him
Highlights the process of conveying information.
notifying him
Implies a more formal or official method of communication.
signaling to him
Suggests a non-verbal or indirect method of communication.
making sure he knew
Emphasizes the certainty of his knowledge.
advising him
Suggests offering guidance or recommendations.
hinting to him
Implies a subtle or indirect way of communicating.
keeping him in the loop
Focuses on maintaining his awareness of ongoing events.
FAQs
How can I use "letting him know" in a sentence?
You can use "letting him know" to describe the act of informing someone about something. For example: "She emailed him, "letting him know" about the meeting change."
What's a more formal way to say "letting him know"?
Alternatives with a formal tone are "informing him", or "notifying him". Consider the context to select the best option. For example, a formal notification might use "notifying him" instead of "letting him know".
Is it better to say "telling him" or "letting him know"?
"Telling him" is more direct and simple. "Letting him know" implies a process or a means of conveying information that might not be immediately obvious. The choice depends on the specific nuance you want to convey. "I was "telling him" to do his homework."
When should I avoid using the phrase "letting him know"?
Avoid using "letting him know" when a more direct or concise verb would be more effective, especially in formal writing. Consider using "informing", "notifying", or "telling" for brevity.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested