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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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let know that

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "let know that" is not correct in standard written English.
A more appropriate form would be "let [someone] know that." Example: "Please let me know that you received my email."

⚠ May contain grammatical issues

Wiki

News & Media

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

So while it may seem like you have free reign and this is your masterpiece, you'll often be let know that that is not the case.

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

I let Katy know that.

They kind of let me know that.

Let him know that.

Let them know that.

They are stronger, but you never let them know that.

Let them know that People Food Rules Still Apply.

If their profile is well-written, let them know that.

MR: Thanks for letting us know that.

News & Media

Huffington Post

This lets them know and let yourself know that you are highly serous.

Let them know that they have choices.

News & Media

Huffington Post
Show more...

Expert writing Tips

Best practice

Always include the person you are informing when using "let know that". The correct structure is "let [someone] know that". For example, say "Let me know that you're coming" instead of "Let know that you're coming".

Common error

A common mistake is to exclude the person being informed. Remember to specify who you are informing by including an indirect object. Instead of saying the ungrammatical "Let know that", say "Let her know that" or "Let them know that".

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

75%

Authority and reliability

2.2/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "let know that" functions incorrectly as it omits the necessary indirect object. The correct structure requires specifying who is being informed, making it a verb phrase requiring a direct and indirect object. According to Ludwig AI, the phrase is not correct in standard written English.

Expression frequency: Rare

Frequent in

Wiki

50%

News & Media

50%

Science

0%

Less common in

Formal & Business

0%

Academia

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "let know that" is considered grammatically incorrect in standard English due to the omission of an indirect object. Ludwig AI confirms that this is not a correct phrase. The correct and more common usage is "let someone know that", where "someone" specifies who is being informed. While the phrase occasionally appears in informal contexts, it is best to use more formal and grammatically sound alternatives such as "inform someone that" or "notify someone that" in professional or academic writing. Remember to always specify the recipient of the information for clarity and correctness.

FAQs

How to use "let someone know that" in a sentence?

The correct way to use it is by including the person you are informing. For example: "Please "let me know that" you received the package" or "Let them know that the meeting is postponed".

What can I say instead of "let know that"?

You can use alternatives like "inform someone that", "notify someone that", or "tell someone that" depending on the context.

Which is correct, "let know that" or "let someone know that"?

"Let someone know that" is the correct form. The phrase requires an indirect object (the person being informed) to be grammatically sound. "Let know that" is missing this object and is considered incorrect.

What's the difference between "let someone know that" and "inform someone that"?

"Let someone know that" is generally more informal than "inform someone that". "Inform" is a more direct and professional way of saying the same thing, suitable for formal contexts.

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Source & Trust

75%

Authority and reliability

2.2/5

Expert rating

Real-world application tested

Most frequent sentences: