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
problems to be solved
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "problems to be solved" is correct and usable in written English.
You could use it to describe a current situation that requires a resolution, for example: "We have some difficult problems to be solved".
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(18)
technical problems
complex issues
challenges to be addressed
issues to be resolved
difficulties to be overcome
tasks to be completed
matters to be settled
questions to be answered
problems to be addressed
problem to be solved
problems to resolve
challenge to be solved
Issues to be addressed
issues to be addressed
matters to be resolved
Areas for improvement
cases to be discovered
await to be discovered
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 saw three problems to be solved.
News & Media
They are problems to be solved.
News & Media
"There were 101 problems to be solved," Immink says.
News & Media
There are some problems to be solved as preparations begin.
News & Media
They are "problems to be solved," she says.
News & Media
But we do want the problems to be solved.
News & Media
There were problems to be solved then, decisions to be made.
News & Media
There is time for at least some of the medical problems to be solved.
News & Media
But for those who don't have big problems to be solved, smaller ones will suffice.
News & Media
Conflicts should be dealt with as problems to be solved cooperatively.
News & Media
But those are not alibis — those are problems to be solved".
News & Media
Expert writing Tips
Best practice
Use "problems to be solved" when emphasizing the need for active solutions and proactive measures. It is suitable in both formal and informal contexts where challenges require resolution.
Common error
While "problems to be solved" is grammatically correct, overuse of passive voice can make your writing sound weak. Consider rephrasing to use active voice when appropriate; for example, instead of "problems to be solved", you could say "we need to solve these problems" to make the sentence more direct and engaging.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "problems to be solved" functions as a noun phrase, typically serving as the object of a verb or the complement of a preposition. It identifies a set of challenges or difficulties that require attention and resolution. As Ludwig AI confirms, it is correct and widely used.
Frequent in
News & Media
35%
Science
30%
Encyclopedias
10%
Less common in
Formal & Business
8%
Wiki
7%
Reference
5%
Ludwig's WRAP-UP
In summary, the phrase "problems to be solved" is a grammatically sound and frequently used expression to denote challenges that need resolution. As Ludwig AI confirms, it is correct and usable in written English. It appears most often in news, scientific, and encyclopedic contexts, maintaining a neutral register suitable for both formal and informal communication. When writing, consider balancing its passive construction with active voice for more impactful prose. For alternatives, you might use phrases like "challenges to be addressed" or "issues to be resolved" to add nuance to your message.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
challenges to be addressed
This alternative emphasizes the confrontational aspect of dealing with difficulties, suggesting a proactive approach.
issues to be resolved
This alternative suggests bringing clarity and finality to uncertain or contentious matters.
difficulties to be overcome
This highlights the effort required to surpass obstacles.
tasks to be completed
This alternative shifts the focus to the work needed to reach a solution or finish a project.
obstacles to be removed
This emphasizes the act of clearing away hindrances.
matters to be settled
This phrase suggests a need for a decision or agreement to be reached.
questions to be answered
This alternative indicates a need for investigation and clarification.
dilemmas to be tackled
This suggests confronting complex and challenging situations directly.
puzzles to be unraveled
This emphasizes the need to decode or understand complex and mysterious problems.
mysteries to be solved
Similar to "puzzles to be unraveled", this emphasizes the obscurity surrounding the problems.
FAQs
How can I use "problems to be solved" in a sentence?
You can use "problems to be solved" to describe challenges that require resolution, such as "The project faces several "technical problems" to be solved" or "There are many "complex issues" to be solved in this field".
What are some alternatives to "problems to be solved"?
Alternatives include phrases like "challenges to be addressed", "issues to be resolved", or "difficulties to be overcome", depending on the specific context and emphasis you want to convey.
Is "problems to be solved" formal or informal?
"Problems to be solved" is appropriate for both formal and informal contexts. Its usage depends more on the surrounding vocabulary and sentence structure than on the phrase itself.
Can "problems to be solved" be replaced with "solutions to be found"?
While related, "solutions to be found" emphasizes the search for answers, whereas "problems to be solved" focuses on the active resolution of difficulties. Use "solutions to be found" when the emphasis is on discovering answers, and "problems to be solved" when the emphasis is on actively addressing challenges.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested