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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 not only
Grammar usage guide and real-world examplesUSAGE SUMMARY
"that not only" is correct and usable in written English.
It is used to introduce a phrase that emphasizes something else. Example: The theater was so popular, that not only did it sell out every night, but it also had a long waiting list of patrons hoping to get tickets.
✓ Grammatically correct
Academia
News & Media
Science
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
He planned events and themed parties that not only were entertaining but also brought people together.
Academia
I consider that, not only a marvel but a miracle of science.
Academia
She understands how to make clothes that not only look rich, but flatter the body.
News & Media
We need resilient communities that not only survive, but thrive.
News & Media
Anything else than that: Not only chatting.
Wiki
That not only upset Coach K. C.
News & Media
He warned that not only newspapers would be affected.
News & Media
That not only saves fuel but allows other improvements.
News & Media
It is shown that not only the starting point of a crack can be selected.
It is desirable that not only authorities but also citizens become concerned about science and technology.
Science
The result is a book that not only moves the reader but also informs and entertains.
Academia
Expert writing Tips
Best practice
Consider the tone you want to establish. "That not only" can sound formal, so adjust your surrounding language to match.
Common error
A common mistake is using "that not only" without completing the construction with a "but also" clause. This leaves the sentence incomplete and weakens the intended emphasis. Always ensure both parts of the correlative conjunction are present to maintain grammatical correctness and clarity.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that not only" functions as a correlative conjunction introducing one part of a two-part statement, typically followed by "but also". According to Ludwig AI, the phrase emphasizes something else and can often introduce surprising or emphatic information.
Frequent in
Academia
23%
News & Media
43%
Science
34%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "that not only" is a grammatically sound and frequently employed construction used to emphasize a point when paired with "but also". Ludwig AI confirms its correctness and utility in adding emphasis. It appears in varied contexts, including academic, news, and scientific writing, with a neutral tone. Remember to always complete the construction with "but also" to maintain clarity and grammatical correctness. Alternative phrases like "not just that" may offer a less formal way to express similar ideas. Ensure that your surrounding language matches the level of formality established by "that not only".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
not just that
Emphasizes a singular aspect, but less formal.
not merely that
Implies the preceding point is insufficient on its own.
beyond just that
Suggests a more extensive scope than "that not only".
more than simply that
Adds complexity by highlighting the simplicity of the initial aspect.
it also implies that
Focuses on the implicit meaning or consequence.
in addition to that
A more direct and less nuanced way of adding information.
furthermore
A formal transition word to introduce additional information.
moreover
Similar to 'furthermore' but may carry a slightly stronger emphasis.
what's more
An idiomatic way to add an extra point, typically something surprising.
to top it all off
An informal idiom used to emphasize a final, often dramatic, addition.
FAQs
How do I use "that not only" in a sentence?
Use "that not only" to introduce the first part of a two-part statement. It should always be followed by "but also" to complete the thought. For example, "That not only surprised me, but also made me reconsider my position".
What phrases are similar to "that not only"?
Similar phrases include "not just that", "not merely that", and "in addition to that". The best choice depends on the specific nuance you want to convey.
Is it grammatically correct to start a sentence with "that not only"?
Starting a sentence with "that not only" is grammatically acceptable, but it is important to follow it with "but also" later in the sentence to maintain the proper structure and meaning. For instance, "That not only is an option, but it is also the best one".
What's the difference between "that not only" and "not only"?
"That not only" emphasizes a specific preceding point or situation, whereas "not only" is more general. "That not only" refers back to something already mentioned, while "not only" can introduce a new idea.
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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
4.5/5
Expert rating
Real-world application tested