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
these work
Grammar usage guide and real-world examplesUSAGE SUMMARY
"these work" is correct and usable in written English.
You can use it to refer to things that have been discussed in the previous sentence or paragraph. For example, "With the right tools, these work can be easily accomplished."
✓ Grammatically correct
News & Media
Science
Academia
Wiki
Formal & Business
Alternative expressions(7)
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
57 human-written examples
These work".
News & Media
None of these work.
News & Media
Might these work?
News & Media
How will these work together?
News & Media
These work requirements have become counterproductive.
News & Media
Whether these work is one thing.
News & Media
There's a video on how these work.
News & Media
These work simultaneously as RF hollow cathodes.
Human-verified similar examples from authoritative sources
Similar Expressions
3 human-written examples
These work by using past behaviour to predict the future.
News & Media
And you know what these work better.
News & Media
These work best when there is a formal limit.
News & Media
Expert writing Tips
Best practice
Use "these work" when you want to indicate that certain methods, strategies, or tools are effective in achieving a particular outcome. Be sure the context makes it clear what "these" refers to.
Common error
Avoid using "these work" without a clear antecedent for "these". Ensure the reader knows exactly what you are referring to to prevent ambiguity.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "these work" functions as a declarative statement, asserting the effectiveness or functionality of something previously mentioned or understood. According to Ludwig, this usage is correct and common across various contexts.
Frequent in
News & Media
65%
Science
15%
Wiki
10%
Less common in
Academia
5%
Formal & Business
5%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "these work" is a common and grammatically sound way to express that certain methods, strategies, or tools are effective. Ludwig AI confirms its usability in written English. It is frequently used in news and media, science, and general discussions. Remember to ensure that the reference of "these" is clear to avoid ambiguity. For more formal contexts, consider using alternatives such as "these are effective" or "these function correctly". With its widespread usage and clear meaning, "these work" remains a valuable phrase for everyday communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
These are effective
Focuses on the effectiveness of something, replacing the verb 'work' with a more direct adjective.
These function correctly
Emphasizes the proper functioning of something, using a more technical term.
These are operational
Highlights the operational status of something, often used in a more formal context.
These yield results
Focuses on the outcome or results produced, shifting the emphasis from the process to the effect.
These are in working order
Specifies that something is in a condition to work, adding a detail about its state.
These are applicable
Highlights the relevance and applicability of something, changing the focus from function to suitability.
These are successful
Emphasizes the success of something, focusing on achieving a desired outcome.
These hold true
Indicates that something is valid or accurate, shifting the focus to truth or validity.
These are valid
Highlights if something is accurate and error free.
These get the job done
Focuses on the completion of a task, emphasizing practicality and effectiveness.
FAQs
How can I use "these work" in a sentence?
You can use "these work" to indicate the effectiveness of previously mentioned items or methods. For example: "We tried several approaches, and fortunately, "these work"".
What's a formal alternative to "these work"?
In a more formal setting, you might prefer alternatives like "these are effective" or "these function correctly", which maintain a professional tone while conveying the same meaning. See /s/these+are+effective.
Which is correct: "these work" or "this works"?
"These work" is used when referring to multiple items, while "this works" is used for a single item. The correct choice depends on whether you're discussing one thing or several.
What does it mean when someone says "these work"?
When someone says "these work", they are typically asserting that certain methods, tools, or strategies are successful or effective in achieving a desired outcome.
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested