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
function as if they
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "function as if they" is correct and usable in written English.
It can be used when describing behavior or actions that mimic or simulate a certain condition or role. Example: "The software will function as if they are human operators, making decisions based on the data provided."
✓ Grammatically correct
Science
News & Media
Alternative expressions(6)
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
7 human-written examples
On this sort of view, there is one God because the community of divine persons is so closely interconnected that, although they are three distinct persons, they nonetheless function as if they were a single entity.
Science
The subjects that prompt the confession are ADHD and the extent to which computers can be programmed to function as if they were the human brain on amphetamines.
News & Media
It was hypothesized that native heart valves function as if they were simple tubes with sides that collapse when external pressure is applied.
People who feel high levels of stress during the holiday season, he says, often function as if they're "in a robotic fog, thinking, 'I don't want to do this.
News & Media
Due to a rise in employee-based data breaches and increasing pressure to comply with a growing number of security-related rules and regulations, a new crop of vendors have emerged selling fake databases that look and function as if they're the real thing.
News & Media
2. Vitamin A Load up on foods like sweet potatoes, kale, mangoes and carrots to get the antioxidant benefits of vitamin A. Retinol, one of the only FDA-approved wrinkle treatments, is a form of this vitamin, which works inside cells, hitting receptors which helps them function as if they were younger.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
"These mice were like 80-year-old people, but their livers were functioning as if they were 20," Dr. Cuervo said.
News & Media
Some researchers have described entitled people as having arrested emotional development, functioning as if they are about 6 years old with needs that must be met first.
News & Media
It won't function as well if you're dehydrated.
Wiki
The rise of 'content management systems', 'workload management systems', performance metrics and analytics could be seen to key elements in the steady corporatization of higher education – i.e. the restructuring and reorganization of universities to function and behave as if they were corporations.
"In the United Kingdom we do not oblige people who can control their bodily functions to behave as if they cannot do so, unless they themselves find this the more convenient course," she said.
News & Media
Expert writing Tips
Best practice
When using "function as if they", ensure that the context clearly indicates what the subject is simulating or acting like. This will enhance clarity and prevent misinterpretations.
Common error
Avoid using "function as if they" when the subject is genuinely performing the action, not just simulating it. This ensures accurate and precise communication.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "function as if they" acts as a comparative phrase, indicating that something operates or behaves in a manner that mimics a certain condition or role. Ludwig's examples show its use in various contexts, from divine entities to computer programs.
Frequent in
News & Media
31%
Science
31%
Wiki
10%
Less common in
Encyclopedias
3%
Formal & Business
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "function as if they" is a grammatically correct and useful construction for indicating that something operates in a manner that simulates or imitates another state or condition. Ludwig's analysis shows that the phrase is used across diverse contexts, including science, news, and general writing, with a neutral register. The examples from Ludwig also illustrate the phrase's application in describing various subjects, from computer programs to human behavior. While "function as if they" is not exceptionally frequent, its consistent usage across reliable sources affirms its validity and utility in English writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
act as if they
Focuses on the action or behavior that mimics a certain state.
behave as if they
Emphasizes the manner of conduct that simulates a condition.
operate as if they
Highlights the operational aspect of simulating a certain state or role.
work as if they
Focuses on the functional aspect of simulating a condition or state.
perform as if they
Emphasizes the execution and performance aspect of the simulation.
simulate being
Directly refers to the act of creating a simulation of a state or condition.
mimic being
Implies a close imitation of a particular state or condition.
give the impression of being
Highlights the perceived effect of acting in a certain way.
appear to be
Focuses on the outward appearance of simulating a certain state.
seem to be
Indicates a surface-level resemblance or simulation.
FAQs
How can I use "function as if they" in a sentence?
Use "function as if they" to describe something behaving or operating in a manner that imitates another thing or condition. For example, "The software will function as if they are human operators, making decisions based on the data provided."
What are some alternatives to "function as if they"?
You can use alternatives such as "act as if they", "behave as if they", or "operate as if they" depending on the specific nuance you want to convey.
Is "function as if it was" grammatically correct?
While "function as if they were" is more grammatically precise, "function as if it was" is also acceptable when referring to a singular entity. The choice depends on whether you are referring to a group or an individual.
What's the difference between "function as if they" and "actually function as"?
"Function as if they" implies a simulation or imitation of a certain state or role, whereas "actually function as" indicates the genuine performance of that role. The former is a comparison, while the latter is a statement of fact.
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
4.1/5
Expert rating
Real-world application tested