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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
you were fast
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "you were fast" is correct and usable in written English.
It can be used to compliment someone on their speed or efficiency in completing a task or action. Example: "You were fast in finishing that report; I appreciate your quick work."
✓ Grammatically correct
News & Media
Wiki
Alternative expressions(1)
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
5 human-written examples
"You were fast asleep when I came".
News & Media
If you were poor, rural or a member of a minority group, you were fast being left behind.
News & Media
By Samantha Henig July 11 ,2011 The final issue of News of the World, which you could have seen online today if you were fast enough (Rick was), was civil and laudatory, or relatively so.
News & Media
The final issue of News of the World, which you could have seen online today if you were fast enough (Rick was), was civil and laudatory, or relatively so.
News & Media
Later that night when you were fast asleep, I realized that now I am the only one who knows what your face looked like when you opened those presents.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
If you were fasting with a specific purpose, take the opportunity again to express your purpose.
Wiki
It seems, in wheelchair racing, that if you are fast, you can be fast over all distances.
News & Media
"You're little, you're fast and you always get in my way," he said.
News & Media
/ But your face is turned / And you're fast asleep.... / I have one husband: you.
News & Media
And just because you're fast and strong doesn't mean you're safe.
News & Media
"Just because you're fast doesn't make you an athlete," he said.
News & Media
Expert writing Tips
Best practice
Use "you were fast" to compliment someone on their speed in completing a task or reacting to a situation. It's a direct and easily understood way to acknowledge their quickness.
Common error
Avoid using "you were fast" in contexts where speed is not necessarily a positive attribute. For instance, if someone rushes through a task and makes mistakes, it's better to focus on accuracy or thoroughness rather than speed.
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "you were fast" primarily functions as a compliment or acknowledgement of someone's speed or quickness in completing an action or task. As Ludwig AI confirms, it is grammatically correct and usable in English. Examples show it used in varied scenarios from completing a report to simply being asleep.
Frequent in
News & Media
60%
Wiki
20%
Formal & Business
10%
Less common in
Science
5%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
In summary, the phrase "you were fast" serves as a straightforward acknowledgement of someone's speed or efficiency. As Ludwig AI highlights, it is grammatically sound and can be used in various contexts, though it's important to ensure the context is appropriate for praising speed. While "you were quick" or "you were speedy" are alternatives, the original phrase remains a clear and effective way to commend someone's swiftness. The usage analysis reveals its presence mainly in News & Media and Wiki sources, suggesting a versatile application across both neutral and informal settings.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
you acted quickly
Replaces "fast" with a synonym emphasizing the speed of the action taken.
you were speedy
Substitutes "fast" with another adjective highlighting swiftness.
you were prompt
Emphasizes timeliness and efficiency rather than just speed.
you moved swiftly
Replaces "were fast" with a verb phrase emphasizing the swiftness of movement.
you were quick to
Emphasizes the readiness and speed with which someone did something.
you were efficient
Focuses on accomplishing something effectively in a short amount of time.
you were rapid
Uses a more formal synonym for "fast".
your reaction was fast
Focuses on the speed of the reaction rather than general speed.
you were fleet-footed
Emphasizes agility and quickness of foot, implying physical speed.
you were like lightning
Uses a simile to convey extreme speed and suddenness.
FAQs
What does "you were fast" mean?
The phrase "you were fast" means that someone completed a task or reacted to a situation with speed and efficiency. It's a compliment acknowledging their quickness.
How can I use "you were fast" in a sentence?
You can use "you were fast" to praise someone's speed in completing a task. For example, "Thanks for finishing the report so quickly, "you were fast"!"
What can I say instead of "you were fast"?
You can use alternatives like "you were quick", "you were speedy", or "you were efficient" depending on the context.
Is it always positive to say "you were fast"?
While usually positive, saying "you were fast" can be negative if the speed was achieved at the expense of quality or accuracy. Consider the context before using the phrase.
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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
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested