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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
the main problem
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "the main problem" is grammatically correct and commonly used in written English.
It is typically used to introduce or describe the primary issue or difficulty being discussed. Example: The main problem with the education system is the lack of funding for schools. Another example: In her essay, the author discusses the main problem of income inequality in society.
✓ Grammatically correct
News & Media
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
60 human-written examples
The main problem is noise.
News & Media
This is the main problem.
News & Media
Piracy is the main problem.
News & Media
"The main problem is impunity," he said.
News & Media
The main problem is the label "left".
News & Media
Money is often the main problem.
News & Media
But the main problem is regulation.
News & Media
But the main problem has been solved.
News & Media
The main problem is loopy incentives.
News & Media
Weak law enforcement is the main problem.
News & Media
But the main problem was the "talent".
News & Media
Expert writing Tips
Best practice
When using "the main problem", ensure that you clearly define what makes it the most significant issue among others. Provide context and supporting details to justify its importance.
Common error
Avoid using "the main problem" as a vague or generic statement without providing specific evidence or analysis. Always substantiate your claim with concrete examples and logical reasoning.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "the main problem" functions as a noun phrase, specifically identifying the central issue or difficulty being discussed. Ludwig AI confirms its grammatical correctness and common usage. It typically serves as the subject or object of a sentence, focusing attention on the principal challenge.
Frequent in
News & Media
75%
Encyclopedias
10%
Formal & Business
5%
Less common in
Science
3%
Academia
2%
Social Media
1%
Ludwig's WRAP-UP
In summary, "the main problem" is a common and grammatically correct phrase used to identify the most significant issue in a given situation. Ludwig AI confirms its widespread use across various sources, predominantly in news and media. While it maintains a neutral register suitable for diverse contexts, it's crucial to provide sufficient context and evidence to support its identification as the central issue. Alternatives like "the primary issue" or "the key challenge" can be used for nuanced emphasis, but "the main problem" remains a clear and direct way to highlight the principal difficulty.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
the primary issue
Replaces "problem" with "issue", suggesting a matter of concern or debate.
the key challenge
Substitutes "problem" with "challenge", framing it as an obstacle to overcome.
the central difficulty
Emphasizes the troublesome aspect using "difficulty" instead of "problem".
the core issue
Highlights the fundamental nature of the problem, using "core" to indicate centrality.
the principal concern
Replaces "problem" with "concern", focusing on a matter of worry or importance.
the major obstacle
Frames the problem as an impediment or barrier, using "obstacle" as a substitute.
the biggest hurdle
Uses "hurdle" to convey a challenge that needs to be overcome.
the fundamental flaw
Focuses on an inherent defect or weakness that is causing the problem.
the root cause
Shifts the focus to the origin of the problem, identifying the underlying reason.
the underlying issue
Emphasizes the hidden or less obvious nature of the problem.
FAQs
How can I use "the main problem" in a sentence?
Use "the main problem" to introduce the most significant issue or challenge in a given situation. For example, "The main problem with the project is the lack of funding".
What phrases are similar to "the main problem"?
You can use alternatives like "the primary issue", "the key challenge", or "the core issue" depending on the context.
Is it correct to say "a main problem" instead of "the main problem"?
While "a main problem" is grammatically correct, "the main problem" implies that it is the most significant or central issue being discussed, making it a stronger and more specific statement.
What's the difference between "the main problem" and "a problem"?
"A problem" refers to any issue or difficulty, while "the main problem" specifically identifies the most important or significant issue among others. Therefore, "a problem" could be less impactful depending on the context.
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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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested