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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
main problem is
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "main problem is" is grammatically correct and can be used in written English.
You can use this phrase to introduce the primary issue or challenge that is being discussed or addressed in a sentence or paragraph. It serves as a way to focus the reader's attention on the most important problem or concern. Example: The main problem is that the company's budget is not sufficient to cover all of its expenses, leading to financial strain and potential layoffs.
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(4)
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
56 human-written examples
The main problem is noise.
News & Media
Bhutan's main problem is height.
News & Media
"Their main problem is land.
News & Media
The main problem is insecurity.
News & Media
"The main problem is water.
News & Media
The main problem is the label "left".
News & Media
But the main problem is regulation.
News & Media
The main problem is intonation.
News & Media
But the Republicans' main problem is taxes.
News & Media
The main problem is loopy incentives.
News & Media
The main problem is a political one.
News & Media
Expert writing Tips
Best practice
When using "main problem is", ensure that the statement is followed by a clear and concise explanation of the problem itself. This helps to avoid ambiguity and ensures the reader understands the core issue being addressed.
Common error
Avoid stating the "main problem is" without providing sufficient context or detail. A vague problem statement can leave the reader confused and unable to grasp the significance of the issue.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "main problem is" functions as a sentence opener or introductory clause to highlight the most significant issue or challenge under discussion. Ludwig's examples show it setting the stage for further explanation or analysis.
Frequent in
News & Media
48%
Science
34%
Formal & Business
8%
Less common in
Wiki
6%
Reference
2%
Academia
2%
Ludwig's WRAP-UP
In summary, the phrase "main problem is" serves as a crucial linguistic tool for pinpointing the core challenge within a particular context. Ludwig AI confirms its grammatical correctness and widespread usage across varied domains, ranging from news and media to scientific research and business correspondence. While versatile, employing the phrase effectively hinges on providing clear and concise explanations of the problem at hand to avert ambiguity. Alternatives like "primary concern is" or "central issue is" may be used to introduce slight nuance. In essence, mastering the art of using this phrase is crucial for precise and impactful communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Central issue is
Highlights the most important point of contention.
Primary concern is
Focuses on the principal worry or anxiety.
Key challenge is
Emphasizes the significant obstacle to overcome.
Fundamental difficulty is
Points to the underlying cause of trouble.
Overriding obstacle is
Stresses the most significant impediment.
Core dilemma is
Highlights the central conflict or difficult choice.
Principal hurdle is
Indicates the major barrier to progress.
Chief impediment is
Emphasizes the main obstruction.
Biggest drawback is
Focuses on the most significant disadvantage.
Major stumbling block is
Points to the primary cause of failure or delay.
FAQs
How can I use "main problem is" in a sentence?
Use "main problem is" to introduce the most significant issue or challenge you are discussing. For example: "The main problem is that we lack sufficient funding for the project."
What's a good alternative to using "main problem is"?
You can use alternatives like "primary concern is", "central issue is", or "key challenge is" depending on the specific context.
Is it grammatically correct to say "main problem are"?
No, it's grammatically incorrect. "Problem" is singular, so you should use the singular verb "is". The correct phrase is "main problem is".
What is the difference between "main problem is" and "a problem is"?
"Main problem is" identifies the most significant issue, while "a problem is" simply introduces one of possibly many issues. Using "main" emphasizes the core difficulty. For example, "a problem is" scheduling conflicts, while the main problem is lack of budget.
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested