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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
How fast time flies
Grammar usage guide and real-world examplesUSAGE SUMMARY
'How fast time flies' is correct and usable in written English
You can use it when you want to express surprise or astonishment at how quickly time passes, or as an exclamation of amazement. For example: "How fast time flies! I can't believe it's been a year already."
✓ 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
6 human-written examples
It's amazing how fast time flies.
News & Media
Oh, how fast time flies.
News & Media
Acquiring How Fast Time Flies allows us to do both at the same time".
News & Media
MyPublisher, which specializes in photography-focused personalized printed products, has acquired How Fast Time Flies, a digital scrapbooking startup.
News & Media
Founded in 2007 by Cathy Bennett, How Fast Time Flies lets people print individual 12 by 12 inch pages using its proprietary digi-scrapbook application.
News & Media
It's amazing how fast time flies by, it'll be 2 years in April ❤ #POCinlove pic.twitter.com/bZWXplmkNH.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
You'd be surprised to know how fast time can fly by when you are sight-seeing while taking a walk through the woods or on a pathway.
News & Media
It blows my mind how fast time has flown by, and I wish I could relive and savor each moment of your childhood just once more.
News & Media
In a special first anniversary post, Duff, 23, wrote how she can't believe how fast time has flown by with Comrie, who plays ice hockey for the Pittsburgh Penguins, and added the happy news.
News & Media
People always would say cherish your time in college, but looking back it's crazy to think how fast time has actually flown by.
News & Media
"[It's] crazy how fast time moves.
News & Media
Expert writing Tips
✓ Best practice
When using "how fast time flies", consider the context and audience. While grammatically correct, it can sometimes sound cliché. Opt for more vivid language or specific examples to illustrate the passage of time for greater impact.
⚠ Common error
Avoid using "how fast time flies" in highly formal writing or academic papers. While not grammatically incorrect, its informal and somewhat trite nature may detract from the seriousness or sophistication of the text.
Linguistic Context
The phrase "how fast time flies" functions as an exclamation or observation about the perceived speed of time's passage. Ludwig AI indicates the phrase is correct and usable, typically expressing a sense of surprise or reflection on the swift movement of time.
Expression frequency: Uncommon
✓ Frequent in
News & Media
80%
Wiki
10%
Science
10%
⚠ Less common in
Formal & Business
0%
Academia
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "how fast time flies" is a grammatically correct expression used to convey surprise or acknowledgement regarding the rapid passage of time. While Ludwig confirms its validity in written English, its frequency is uncommon, primarily appearing in news and media contexts. To enhance impact, avoid overuse in highly formal settings and consider using vivid language and specific examples. Alternatives like "how quickly time passes" or "how rapidly time goes by" can provide a fresh perspective. Be mindful of the potential for cliché and tailor your expression to the context and audience.
Alternative expressions
Phrases that express similar concepts, ordered by semantic similarity:
it's amazing how time flies
Adds a layer of amazement or surprise at the rapid passage of time.
how quickly time passes
Replaces "flies" with "passes", emphasizing the act of time moving forward.
unbelievable how quickly time goes
Expresses disbelief regarding time's rapid movement.
how rapidly time goes by
Substitutes "fast" with "rapidly" and "flies" with "goes by", highlighting the speed of time's progression.
how swiftly time moves on
Replaces "fast" with "swiftly" and "flies" with "moves on", conveying a sense of time's continuous and quick movement.
it's crazy how time moves
Uses a more casual tone to express astonishment at how quickly time moves.
More alternative expressions(3)
FAQs
What does "how fast time flies" mean?
The phrase "how fast time flies" is an exclamation expressing surprise or amazement at the rapid passage of time. It's often used when reflecting on past events and realizing how quickly they occurred.
What can I say instead of "how fast time flies"?
You can use alternatives like "how quickly time passes", "how rapidly time goes by", or "how swiftly time moves on" to convey a similar sentiment.
Is "how fast time flies" grammatically correct?
Yes, "how fast time flies" is grammatically correct and can be used in written English to express surprise or acknowledgment of the swift passage of time.
When is it appropriate to use the phrase "how fast time flies"?
It's appropriate to use "how fast time flies" in informal conversations, personal reflections, or light-hearted contexts. Avoid using it in formal academic papers or professional reports.
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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
84%
Authority and reliability
4.3/5
Expert rating
Real-world application tested