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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
time flies so fast
Grammar usage guide and real-world examplesUSAGE SUMMARY
This phrase is a correct and usable expression in written English.
You can use it when you want to express that time is passing quickly. For example: "I can't believe the summer holidays are already over - time flies so fast!".
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(20)
time passes quickly
time slips away quickly
time is fleeting
time slips away
time flies
time runs fast
time marches on
time passed quickly
time elapsed rapidly
time went by fast
the hours melted away
time went by quickly
time goes by
time passes rapidly
time elapsed swiftly
week passed quickly
time flew by
time go by quickly
time slipped away
time went so fast
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
Time flew so fast that in ways it failed to make an impact.
News & Media
Over the dense woods, they flew so fast that no cold could reach them.
News & Media
During successful tests, it flew through the air using almost no moving parts and a special air-breathing system that allows it to fly so fast.
News & Media
A plane that flew so fast that its airframe heated and grew during flight.
News & Media
In the same way that time moves differently for the fly, so fast bowling feels different depending on who's facing it and when.
News & Media
Time flies by fast with a good book.
News & Media
The time flies almost as fast as the heads (2 30).
News & Media
Time flies faster in every way for multi-eventers.
News & Media
As long ago suggested by the Russian endocrinologist Vladimir Dilman, time flies faster in the obese.
Science
Where Air France flies, so flies France.
News & Media
Time flies, but not that fast: 1987 was only 25 years ago, and the commission's rules have not changed.
News & Media
Expert writing Tips
Best practice
Use "time flies so fast" when you want to express surprise or a sense of nostalgia about how quickly a period has passed. It's particularly effective in informal contexts.
Common error
Avoid using "time flies so fast" in formal or professional writing where a more sophisticated or precise expression of time's passage might be more appropriate.
Source & Trust
76%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
Time flies so fast functions as an idiomatic expression. It communicates a subjective perception of time, specifically the feeling that time is passing quickly. Ludwig AI states that this phrase is correct and commonly used.
Frequent in
News & Media
0%
Science
0%
Wiki
0%
Less common in
Formal & Business
0%
Encyclopedias
0%
Academia
0%
Ludwig's WRAP-UP
In summary, "time flies so fast" is a grammatically sound and common idiom used to express the feeling that time is passing quickly. Ludwig AI confirms its correctness. While suitable for various contexts, it's most appropriate for informal or neutral settings. In formal writing, consider using alternatives like "time passes quickly". The phrase conveys a sense of surprise or nostalgia, highlighting the fleeting nature of time. Given the available data, the idiom appears across different sources like news, wiki and science but its prevalence cannot be accurately assessed due to the lack of exact examples.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
time passes quickly
Emphasizes the speed of time's passage without the specific 'flying' metaphor.
time goes by rapidly
Replaces 'flies' with 'goes by' and 'so fast' with 'rapidly', keeping the meaning similar.
time slips away quickly
Focuses on time eluding our grasp, highlighting the fleeting nature of moments.
time marches on swiftly
Uses a marching metaphor, emphasizing the relentless and quick progression of time.
time runs out fast
Highlights the limited nature of time and how quickly it diminishes.
time is fleeting
A more poetic and concise way to express the transient nature of time.
the years rush by
Shifts the focus to longer periods, emphasizing how quickly years pass.
moments disappear rapidly
Focuses on individual moments and their quick disappearance.
days go by in a blur
Emphasizes the lack of distinction between days due to their rapid succession.
time seems to accelerate
Suggests time is not only fast but getting faster.
FAQs
How can I use "time flies so fast" in a sentence?
You can use "time flies so fast" to express how quickly a period of time has passed, like in the sentence, "I can't believe it's already August; "time flies so fast"!"
What's a more formal way to say "time flies so fast"?
In formal contexts, consider using phrases like "time passes quickly" or "time elapses rapidly" instead of "time flies so fast" to maintain a professional tone.
Is it grammatically correct to say "time flies so fast"?
Yes, "time flies so fast" is grammatically correct and a common idiom used to express the swift passage of time.
What's the difference between "time flies fast" and "time flies so fast"?
While both phrases convey the same general meaning, "time flies so fast" intensifies the feeling of time passing quickly. The addition of "so" emphasizes the speed.
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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
76%
Authority and reliability
4.1/5
Expert rating
Real-world application tested