1. Input your text below.
2. Get it corrected in a few minutes by our editors.
3. Improve your English!

One of our experts will correct your English.

Our experts

1. Input your text below.
2. Get it corrected in a few minutes by our editors.
3. Improve your English!

One of our experts will correct your English.

Our experts

"Time flies by fast" vs "time flies by fastly"

The correct phrase is 'time flies by fast.' The adverb 'fast' is used to modify the verb 'flies' to indicate the speed at which time passes. 'Fastly' is not a standard adverb in English, so it is incorrect to use it in this context.

Last Updated: March 26, 2024

Time flies by fast

This phrase is correct and commonly used in English.

This phrase is used to express how quickly time passes.

Examples:

  • Time flies by fast when you're having fun.
  • I can't believe how time flies by fast during the holidays.
  • Time flies by fast when you're with good company.
  • It's amazing how time flies by fast when you're busy.
  • Time flies by fast when you're enjoying what you're doing.

time flies by fastly

This phrase is incorrect in English. 'Fastly' is not a standard adverb and should not be used in this context.


Alternatives:

  • time flies by quickly
  • time passes quickly
  • time goes by fast
  • time goes by quickly
  • time flies by rapidly

Related Comparisons

Why choose TextRanch?

Lowest prices
Up to 50% lower than other online editing sites.

Fastest Times
Our team of editors is working for you 24/7.

Qualified Editors
Native English experts for UK or US English.

Top Customer Service
We are here to help. Satisfaction guaranteed!