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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
why this is the case
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "why this is the case" is a grammatically correct sentence fragment that can be used in written English.
For example, one might write, "It is unclear why this is the case, but further research is needed to explain the phenomenon."
✓ Grammatically correct
News & Media
Science
Academia
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
60 human-written examples
Any idea why this is the case?
News & Media
Why this is the case is not entirely clear.
Academia
It's not clear why this is the case.
News & Media
Do scientists know why this is the case?
News & Media
But we don't quite understand why this is the case.
News & Media
A little math shows why this is the case.
News & Media
I do not know why this is the case.
News & Media
But we must wonder why this is the case.
News & Media
But they didn't elaborate on why this is the case.
News & Media
There are a few reasons why this is the case.
News & Media
There are two obvious reasons why this is the case.
News & Media
Expert writing Tips
Best practice
When using "why this is the case", ensure the context is clear and the reader understands what "this" refers to. Avoid ambiguity by explicitly stating the situation or phenomenon you are questioning.
Common error
Avoid using "why this is the case" excessively in long, convoluted sentences. Simpler phrasing can often improve clarity and readability. Break down complex ideas into smaller, more digestible sentences.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "why this is the case" functions as a causal connector, introducing an inquiry into the reasons or causes behind a particular situation or phenomenon. As seen in Ludwig, it's often used to transition from stating a fact or observation to questioning its underlying explanation.
Frequent in
News & Media
43%
Science
38%
Academia
5%
Less common in
Formal & Business
4%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "why this is the case" serves as a causal connector, commonly employed to prompt investigation into the reasons behind a specific event or statement. Ludwig AI confirms its grammatical correctness, and its prevalence across news, scientific, and academic contexts underscores its utility in formal discourse. When aiming for concision or informality, consider using alternatives like "why is that?" or "how come?". While useful, be mindful of overuse in complex sentences to ensure clarity. Remember to use best practices, such as explicitly stating the situation the phrase refers to. With a high source quality score and expert rating, "why this is the case" is a reliable choice when seeking explanation and justification.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
the reason for this situation
Replaces "why this is the case" with a more direct and concise phrasing focusing on the reason behind the situation.
the explanation for this circumstance
Substitutes "why this is the case" with a more formal alternative, emphasizing the explanation of the circumstance.
the cause of this matter
Replaces "why this is the case" focusing on identifying the cause or origin of the situation.
the basis for this situation
Changes "why this is the case" to highlight the underlying foundation or reason for the situation.
what accounts for this
Replaces "why this is the case" with a more concise question asking what explains or justifies the situation.
what's the rationale behind this
Replaces "why this is the case" by asking for the reasoning or justification behind a particular action or situation.
what are the reasons for this
Changes "why this is the case" to a direct question asking for the reasons behind the situation.
the logic behind this situation
Replaces "why this is the case" focusing on the reasoning or logical explanation for the event.
the source of this issue
Substitutes "why this is the case" focusing on finding the origin or source of the problem.
the drivers behind this
Replaces "why this is the case" by inquiring about the forces or factors that are influencing or causing the situation.
FAQs
What's a simpler way to say "why this is the case"?
You can use simpler alternatives like "why is this so?", "why is this happening?", or "what's the reason for this?". The best choice depends on the specific context.
Is it ever better to avoid using "why this is the case"?
Yes, in informal writing or conversation, phrases like "why is that?" or "how come?" may be more appropriate. For formal writing, consider alternatives like "the reason for this" or "the explanation for this circumstance".
How can I make my use of "why this is the case" more concise?
Ensure that the "this" in "why this is the case" clearly refers to a specific situation or statement in the preceding text. If the reference is unclear, rephrase for better clarity.
What are some formal alternatives to "why this is the case"?
In formal contexts, you might prefer phrases such as "the cause of this matter", "the basis for this situation", or asking directly, "what accounts for "what accounts for" this?".
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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
4.5/5
Expert rating
Real-world application tested