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
CEO of Professional Science Editing for Scientists @ prosciediting.com
had let
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "had let" is correct and usable in written English.
It is typically used to indicate that someone allowed something to happen in the past before another past event. Example: "She had let her friend borrow her car before she realized it needed repairs."
✓ Grammatically correct
News & Media
Formal & Business
Science
Alternative expressions(6)
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
Google had let her down.
News & Media
I had let him die.
News & Media
How no one had let anyone down.
News & Media
The rain had let up by then.
News & Media
Roberto had let him down.
News & Media
And Janis had let himself cry.
News & Media
Even Farrah had let go, years ago.
News & Media
He had let her go.
News & Media
"He felt he had let me down.
News & Media
I had let people down.
News & Media
We had let him go.
News & Media
Expert writing Tips
Best practice
When using "had let", ensure the sentence clearly indicates both the permission and the subsequent event that occurred as a result of that permission. For instance, "She had let him borrow her car before she knew it needed repairs" clarifies the sequence.
Common error
A common error is to misuse "had let" when a simple past tense is sufficient. For example, avoid "She had let him borrow the car yesterday" when "She let him borrow the car yesterday" is clearer and more direct.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "had let" functions as a past perfect construction indicating that someone gave permission or allowed something to happen before a specific time in the past. As Ludwig AI highlights, it describes an action completed before another past event.
Frequent in
News & Media
67%
Formal & Business
17%
Science
16%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "had let" is a grammatically sound and commonly used phrase to express that someone permitted or allowed something to happen before another action in the past. As Ludwig AI confirms, the phrase is versatile, appearing frequently in news articles and general writing, though less so in academic or scientific contexts. When using "had let", ensure clarity in the timeline of events and be mindful of the level of formality required by the context. While it can often be replaced with more formal alternatives like "had permitted" or "had allowed", "had let" maintains a neutral tone suitable for a wide range of communication scenarios.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
had permitted
Replaces "let" with a more formal synonym, emphasizing explicit permission.
had allowed
Another synonym for "let", indicating a lack of prevention.
had given leave
Emphasizes the granting of authorization or permission.
had granted permission
More emphatic version of "had permitted".
had authorized
Implies a formal approval or endorsement.
had given consent
Focuses on agreement or assent to an action.
had suffered
Implies that something happens without intervention to stop it.
had not prevented
Highlights a failure to stop something from happening.
had enabled
Focuses on creating conditions that made something possible.
had facilitated
Implies making something easier or more likely to occur.
FAQs
How can I use "had let" in a sentence?
Use "had let" to describe an action of permitting or allowing something before another event in the past. For example, "He had let her use his notes before the exam, so she felt prepared."
What's the difference between "had let" and "allowed"?
"Had let" and "allowed" can often be used interchangeably, but "had let" is more informal. "He had let her go" is similar to "He "had allowed" her to go", with the latter being more formal.
What can I say instead of "had let"?
You can use alternatives like "had permitted", "had allowed", or "had given permission" depending on the context.
When is it appropriate to use "had let" over other alternatives?
Use "had let" in informal contexts or when the emphasis is on the simple act of allowing something, rather than a formal granting of permission. For instance, "She had let her hair grow long" is natural and fitting.
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested