Used and loved by millions
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 demonstrates why
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that demonstrates why" is correct and usable in written English.
It can be used when you want to explain or provide evidence for a particular point or argument. Example: "The study presents data that demonstrates why early intervention is crucial for child development."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(2)
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
16 human-written examples
Last month, the justices agreed to hear a case that demonstrates why the issue can be so difficult.
News & Media
RATHER than consuming the months or years that are usually required to plan a Broadway production, the deal to transfer Jude Law's "Hamlet" from the West End to New York next month came together in a mere 10 days this summer and with a relative ease that demonstrates why Broadway has been awash in London productions in recent years.
News & Media
The thrill of seasonality — not only real tomatoes but firm eggplants and cucumbers with super flavor and minimal seeds, arugula that demonstrates why it was once called rocket, peaches with loads of fuzz and so on – reminds me why I don't often buy those things out of season.
News & Media
"It's been a really neat piece of code to write," says Stangel, as he starts to tell a story that demonstrates why it's useful.
News & Media
In a move that demonstrates why a bunch of rowdy Yale guys prone to telling tech luminaries like Mark Zuckerberg to fellate them got $15 million from Andreessen, Rap Genius detailed how it built a highly efficient, parellelized scraper.
News & Media
This group will also be joined by the winner of the Pac-Man FANatic contest, a competition that will encourage Pac-Man fans from the United States and Canada to submit a video that demonstrates why they are the ultimate Pac-Man fan.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
44 human-written examples
In a speech in London this week, he delivered a wide-ranging tour de force that demonstrated why.
News & Media
Penn then took to the water and put on a display of rowing that demonstrated why its varsity remains unbeaten.
News & Media
In the process they made it a losing start for Benítez on a night that demonstrated why his team have found goals so elusive this season.
News & Media
And now, in his most improbable guise yet, as artistic director of the 2010 Brighton festival, Eno wants to programme works that demonstrate why surrender is key to the sort of music and art that excite him.
News & Media
Baines showed his consistent quality down the left while Fellaini was often on the periphery of an Everton display that demonstrated why Martínez has been calling for "understanding and patience" all summer.
News & Media
Expert writing Tips
Best practice
Use "that demonstrates why" to clearly connect evidence or examples to the underlying reasons or causes, ensuring a logical flow in your writing.
Common error
Avoid using "that demonstrates why" in situations where a simpler conjunction like "because" or "since" would suffice. Overusing complex phrases can make your writing sound convoluted.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that demonstrates why" functions as a causal connector, linking a preceding statement or evidence to the reason or explanation that follows. As Ludwig AI confirms, it's grammatically correct, serving to introduce the underlying cause or rationale.
Frequent in
News & Media
50%
Academia
30%
Science
10%
Less common in
Formal & Business
5%
Wiki
3%
Reference
2%
Ludwig's WRAP-UP
In summary, the phrase "that demonstrates why" serves as a useful connector to link evidence with explanations. Ludwig AI confirms its grammatical correctness and widespread use in news, academic, and scientific contexts. While the phrase is generally versatile, it's best suited for formal to neutral registers where a clear causal link is needed. Be mindful to use it judiciously, avoiding overuse where simpler conjunctions would suffice. Consider alternatives like "that explains why" or "that shows why" to ensure variety in your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that explains the rationale
Emphasizes the logical explanation behind something.
that confirms the reason
Emphasizes the confirmation of the cause.
that illustrates the reason
Replaces "demonstrates why" with a more visual term, emphasizing the illustrative aspect.
that elucidates the justification
Offers a more formal and detailed explanation.
that shows the basis
Highlights the foundational reason or justification.
which clarifies the motivation
Shifts focus to the underlying motivation or incentive.
that highlights the grounds
Emphasizes the specific reasons or basis for something.
that proves the cause
Focuses on providing definitive proof rather than a demonstration.
that underscores the purpose
Focuses on the intended aim or objective.
that reveals the origin
Highlights the source or beginning of something.
FAQs
How can I use "that demonstrates why" in a sentence?
Use "that demonstrates why" to link a piece of evidence or an example to the reason or cause it supports. For instance, "The experiment yielded results "that demonstrates why" the hypothesis was correct."
What are some alternatives to "that demonstrates why"?
You can use alternatives like "that explains why", "that shows why", or "that illustrates why" depending on the context.
Is there a difference between "that demonstrates why" and "because"?
"That demonstrates why" is a more formal phrase used to explicitly link evidence to a reason, whereas "because" is a simpler conjunction used to indicate cause and effect directly.
When is it appropriate to use "that demonstrates why" in formal writing?
It is appropriate when you need to provide a clear and logical connection between specific evidence or examples and the reasons they support, particularly in academic or professional contexts.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested