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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
had flown
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "had flown" is correct and usable in written English.
You can use this phrase when discussing something that happened in the past. For example, "The bird had flown away by the time I got outside."
✓ Grammatically correct
News & Media
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
Those in Bucca had flown to Damascus.
News & Media
It had flown away.
News & Media
Lessig had flown in the previous afternoon.
News & Media
They had flown in from Washington.
News & Media
Their friends had flown to Hawaii.
News & Media
The weight had flown off me.
News & Media
They had flown to Perugia on Monday.
News & Media
The stuff had flown off.
News & Media
Mack had flown in from Arizona.
News & Media
Some had flown in for the funeral.
News & Media
He mumbled that an insect had flown into them.
News & Media
Expert writing Tips
Best practice
When using "had flown", ensure that the context clearly establishes a past perfect tense, indicating an action completed before another point in the past. For example, "By the time I arrived, he "had flown" to Paris".
Common error
Avoid using "had flown" when a simple past tense ("flew") is sufficient. "Had flown" is appropriate only when indicating an action completed before another past action.
Source & Trust
92%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "had flown" functions as the past perfect tense of the verb "fly". It indicates an action of traveling by air that was completed before another action or point in the past. This is supported by Ludwig, as it confirms its usability in English writing.
Frequent in
News & Media
80%
Science
10%
Formal & Business
5%
Less common in
Wiki
2%
Encyclopedias
1%
Academia
2%
Ludwig's WRAP-UP
In summary, "had flown" is the past perfect tense of "fly", used to describe an action of air travel completed before another point in the past. Ludwig AI confirms its correctness and usability in English. It's frequently found in news and media contexts, maintains a neutral register, and is crucial for establishing clear temporal relationships between past events. Related phrases like "had traveled by air" offer alternative ways to express the same idea. When writing with "had flown", ensure the context necessitates the past perfect tense to avoid incorrect tense usage.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
had traveled by air
Replaces "flown" with a more explicit description of the mode of transport.
had gone by airplane
A simple and direct way to indicate past travel by air.
had taken a flight
Uses a common and straightforward alternative to indicate past air travel.
had journeyed by plane
Substitutes "flown" with a more descriptive and formal phrase.
had made an air trip
Highlights the journey aspect of flying.
had been transported by air
Emphasizes the act of being moved via air travel rather than the act of flying itself.
had caught a plane
Uses a more colloquial expression to mean the same as having flown.
had used air travel
Focuses on the method of transport used.
had boarded a plane
Focuses on the action of getting on a plane, implying subsequent air travel.
had been airborne
Emphasizes the state of being in the air, rather than the act of flying.
FAQs
How do I correctly use "had flown" in a sentence?
Use "had flown" to describe an action of flying that was completed before another action in the past. For example, "She "had flown" to Rome before I even booked my ticket."
What's a simple substitute for "had flown"?
Depending on the context, you can use phrases like "had traveled by air" or "had taken a flight" as alternatives to "had flown".
When is it appropriate to use "had flown" instead of "flew"?
"Had flown" is used in the past perfect tense to indicate an action completed before another past action. "Flew" is simple past tense. For example, "He "had flown" before I met him" (past perfect) versus "He flew yesterday" (simple past).
Is "had flown" formal or informal?
"Had flown" is neither particularly formal nor informal; its appropriateness depends on the surrounding context. It's suitable for both news reporting and casual storytelling.
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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
92%
Authority and reliability
4.5/5
Expert rating
Real-world application tested