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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
have a function
Grammar usage guide and real-world examplesUSAGE SUMMARY
"have a function" is a correct and commonly used phrase in written English.
It means that something has a specific purpose or role. Example: "The liver is an essential organ in the human body because it has the function of detoxifying harmful substances."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(20)
serves a purpose
is used for
serve a purpose
perform a task
be useful for
provide a service
contribute to
be designed to
be intended for
play a part in
have a meeting
have a memory
function as
be happy about
bear the responsibility for
be responsible for
be held accountable for
became responsible for
further a role
provide care for
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
"Artists have a function.
News & Media
"Big banks have a function in society".
News & Media
But do anxiety dreams have a function?
News & Media
Specialized pro-resolving lipid mediators have a function in pain32.
Science & Research
That means we have a function, A for analog.
Let's just integrate, except you don't have a function.
One is that every design exercise must have a function.
News & Media
"They have a function that continues to contribute to the quality and structure of group life".
News & Media
You need to have a function, you need to send a sound for making people think".
News & Media
Labor Day parades still have a function, partly nostalgic, partly motivational.
News & Media
Yes, books have a function that can be partially supplanted by a little device.
News & Media
Expert writing Tips
Best practice
When discussing the roles of different components within a system, use "have a function" to clearly indicate each component's contribution to the overall operation. This helps in providing a structured and understandable explanation.
Common error
Don't use "have a function" when a simpler verb like "is" or "serves" would suffice. Overusing the phrase can make your writing sound unnecessarily complex. For example, instead of "This button has a function to turn on the device", try "This button turns on the device".
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "have a function" primarily serves as a declarative statement to indicate that something possesses a specific purpose or role. Ludwig examples show it being used across diverse fields, to point out a pre-defined functionality.
Frequent in
Science
42%
News & Media
35%
Academia
23%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "have a function" is a common and grammatically correct way to express that something has a specific purpose or role. As Ludwig AI confirms, it is widely used across diverse fields such as science, news, and academia, indicating its versatility and broad applicability. While simpler alternatives like "serves a purpose" or "fulfills a role" exist, "have a function" provides a clear and direct way to define an entity's utility. The examples illustrate that while it can be used in multiple contexts, it is primarily seen in science-related content. Therefore, when precision and clarity are needed to define roles, opting for "have a function" is a solid choice.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
serve a purpose
This alternative focuses on the utility of something, highlighting that it is not without reason or use.
fulfill a role
This phrase emphasizes the part something plays in a larger system or context, suggesting a responsibility or duty.
perform a task
This suggests a specific action or duty that something is designed to execute.
be useful for
This alternative highlights the practical application and benefit of something.
provide a service
Focuses on the act of providing assistance or support, emphasizing the helpful nature of something.
contribute to
This emphasizes the addition or support something gives to a larger goal or process.
be designed to
This highlights the intentional creation of something for a specific purpose.
be intended for
Similar to 'be designed to', but places more emphasis on the original intention or goal.
play a part in
Suggests involvement or contribution to a specific process or outcome.
offer utility
This alternative underscores the usefulness and practicality of something.
FAQs
How can I use "have a function" in a sentence?
Use "have a function" to describe the specific purpose or role of something. For example, "The immune system "has a function" of defending the body against infections".
What's a simpler way to say "have a function"?
You can use phrases like "serves a purpose", "fulfills a role", or "is used for" as simpler alternatives to "have a function".
Is it better to say "has a function" or "serves a function"?
Both "has a function" and "serves a function" are grammatically correct, but "serves a function" often implies a more active or intentional role, while "has a function" is a more general statement of purpose.
When is it appropriate to use "have a function" in writing?
It's appropriate to use "have a function" when you want to clearly define the role or purpose of something, especially in technical, scientific, or explanatory contexts. It emphasizes that the item or process has a specific and intended use.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested