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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 have never
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that have never" is correct and usable in written English.
It can be used to refer to something that has not occurred at any point in time up to the present. Example: "There are many opportunities that have never been explored in this field."
✓ Grammatically correct
News & Media
Science
Academia
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
60 human-written examples
What about things that have never happened?
News & Media
"Large insights like that have never been successfully given".
News & Media
"We have so many people that have never voted before".
News & Media
Especially, I've found, people that have never been to one.
News & Media
This view leads to three novel methods that have never been reported.
Science
Three words that have never been used to describe me.
News & Media
We want to open doors that have never been opened".
News & Media
I've been writing him proposals that have never been answered".
News & Media
This, in turn, has fostered extensions and modifications of the original DFOL that have never been systematically described and published.
Science
For people that have never run barefoot and want to, I recommend you start of slowly.
Academia
Three-dimensional sound generation and video techniques that have never previously been published are revealed.
Academia
Expert writing Tips
Best practice
When using "that have never", ensure that the verb tense in the main clause aligns logically with the concept of something not occurring previously. Keep it consistent.
Common error
A common mistake is using a singular verb form when the subject preceding "that have never" is plural. Ensure the verb 'have' agrees with the plural subject.
Source & Trust
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that have never" functions as a relative clause, modifying a noun or noun phrase by describing something that has not happened before. As Ludwig AI states, it is usable in written English. Examples from Ludwig show its use in various contexts to emphasize uniqueness or lack of prior occurrence.
Frequent in
News & Media
60%
Science
25%
Academia
10%
Less common in
Wiki
3%
Encyclopedias
1%
Formal & Business
1%
Ludwig's WRAP-UP
In summary, the phrase "that have never" is a grammatically sound and versatile relative clause used to highlight the novelty or unprecedented nature of something. As Ludwig AI confirms, it's suitable for a wide array of writing contexts, from formal academic papers to neutral news reports. While primarily found in News & Media and Scientific sources, its adaptability makes it a valuable tool for emphasizing uniqueness in various forms of communication. Remember to ensure subject-verb agreement and consider alternatives like "that have not ever" or "which are unprecedented" for stylistic variation.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that have not ever
Replaces 'never' with 'not ever', emphasizing the complete absence of prior occurrence.
that haven't previously
Uses a contraction and 'previously' to indicate something not done before.
that have yet to be
Indicates something is still pending or has not happened up to this point.
that historically have not
Adds 'historically' to emphasize the long-term absence of something.
that remain un
Uses the prefix 'un-' to express the lack of a prior action or state.
that are without prior
Highlights the lack of a previous instance of something.
which are unprecedented
Highlights the novelty and lack of historical parallel of something.
that have no precedent
Emphasizes the absence of prior examples or occurrences.
that are virgin to
Implies that something is completely new and untouched.
that are foreign to
Suggests a lack of familiarity or experience with something.
FAQs
How can I use "that have never" in a sentence?
You can use "that have never" to describe something unprecedented or something that has not occurred before. For instance, "These are challenges "that have never" been faced before."
What are some alternatives to "that have never"?
Alternatives include phrases like "that have not ever", "that have yet to be", or "which are unprecedented" to convey a similar meaning.
Is it grammatically correct to say "that has never" instead of "that have never"?
The correctness depends on the subject. Use "that has never" when referring to a singular subject (e.g., "a method that has never been tried"), and use "that have never" when referring to a plural subject (e.g., "methods that have never been tried").
What's the difference between "that have never" and "that have not"?
"That have never" implies something has not occurred at any point up to the present, emphasizing a complete absence of prior occurrence. "That have not" is a more general negation and might imply a possibility of future occurrence. For example, "problems "that have never" been solved" versus "problems "that have not" been solved yet."
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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
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested