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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
that vary
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that vary" is correct and usable in written English.
It can be used to describe things that change or differ in some way. Example: "The results of the experiment showed several factors that vary significantly across different conditions."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
58 human-written examples
Explanations for that vary.
News & Media
"It's only the hows and the whys that vary".
News & Media
Vaulters use a series of poles that vary in flexibility.
News & Media
The Blue-Wallowa mountains have climates that vary with location.
Encyclopedias
Private schools are tiny businesses that vary hugely in quality.
News & Media
"Nuclear attack options that vary in scale, scope, and purpose will complement other military capabilities.
News & Media
But check the site for "special offers" that vary from pousada to pousada.
News & Media
It is not just prices that vary; so do service standards.
News & Media
Privileged Youth reverses the equation: Love affairs are constant, and it's the friendships that vary.
News & Media
"Obviously we can't supply balls that vary one to another for million-dollar tournaments".
News & Media
Like most infiltrators, Ms. Solis routinely trespasses, risking trespassing fines that vary from state to state.
News & Media
Expert writing Tips
Best practice
Use "that vary" to introduce elements or factors that are subject to change or demonstrate diversity within a defined context. For instance, "Strategies "that vary" by industry."
Common error
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that vary" functions as a relative clause, modifying a preceding noun and indicating the presence of variations or differences. As Ludwig AI states, this phrase is both correct and usable in written English. Examples show it used across diverse domains.
Frequent in
Science
34%
News & Media
41%
Formal & Business
12%
Less common in
Encyclopedias
2%
Wiki
2%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "that vary" is a versatile and grammatically sound relative clause used to denote diversity or change within a set of elements. As Ludwig AI confirms, it is both correct and widely applicable in English writing. Predominantly found in science and news contexts, "that vary" maintains a neutral to formal tone. Remember to ensure subject-verb agreement and consider alternatives like "that differ" or "that change" for nuanced expression. "That vary" serves as a valuable tool for conveying variability and difference in various forms of communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that differ
Emphasizes a state of being unlike or distinct.
that change
Indicates a transformation or alteration.
that diverge
Suggests a branching out or deviation from a common point.
that fluctuate
Highlights irregular shifts or oscillations.
that modify
Focuses on making partial or minor alterations.
that shift
Suggests a slight change in position, direction, or tendency.
that transform
Implies a more profound or fundamental change.
that adjust
Suggests alterations made to achieve better alignment or suitability.
that alternate
Implies a regular pattern of switching between options.
that evolve
Highlights a gradual development or unfolding.
FAQs
How can I use "that vary" in a sentence?
You can use "that vary" to describe attributes, conditions, or elements that are not constant and change depending on context. For instance, "The costs "that vary" with location."
What are some alternatives to "that vary"?
Alternatives include "that differ", "that change", or "that fluctuate", depending on the specific nuance you want to convey.
Is it more appropriate to use "that vary" or "that varies"?
Use "that vary" when referring to a plural subject. If the subject is singular, use "that varies". For example, "factors "that vary"" versus "a factor "that varies"".
In what contexts is "that vary" commonly used?
"That vary" is frequently used in scientific, news, and formal business contexts to describe parameters, conditions, or policies that are subject to change or differ based on specific criteria. For example, "policies "that vary" from state to state".
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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
4.6/5
Expert rating
Real-world application tested