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
to test for something
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "to test for something" is correct and usable in written English.
You can use it when referring to the act of checking or examining for the presence or existence of a particular condition, quality, or substance. Example: "The laboratory was set up to test for the presence of contaminants in the water supply."
✓ 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 similar examples from authoritative sources
Similar Expressions
58 human-written examples
And something I had to test for myself, to see what it might teach me about friendship, giving, receiving and my own drinking problem.
News & Media
' Taking responsibility for one's health' was thus one of the reasons to test for HCV: "Look, when I hear about something like this, I take action immediately.
Science
But even though I was reading that role, I thought it was just to test me for something smaller".
News & Media
To test something — for purity, or value (going back to coinage; the essayeur was "an Officer in the Mint, who touches everie kind of new coyne before it be delivered out").
News & Media
"We're not going to set up a regime test for something that's illegal to see if it's safe to ingest or not.
News & Media
It commended the New York Police Department for initiating a program, in the wake of the Edwards shooting, to test officers for unconscious racial bias, something Mr. Stone said he hoped would be replicated across the country.
News & Media
introduced legislation last month that would allow states like Georgia and Wisconsin to test SNAP recipients for drug use, something currently forbidden under federal law.
News & Media
To test the service I asked for something I've previously trawled the Internet for: a cat litter tray with an entrance on top of the box, i.e. rather than the more usual side-placement.
News & Media
Like many younger artists, Mr. Griffa seems to test how little it takes for something to qualify as a painting.
News & Media
When they removed a lymph node in her neck as a test for something, she said politely, "Oh, I'm really dying now".
News & Media
A few years ago, I started thinking about statistical sampling in the insurance industry as something for students to test.
News & Media
Expert writing Tips
Best practice
When using "to test for something", ensure the context clearly indicates what is being tested and the purpose of the test. For example, "The doctor ordered a blood test to test for anemia" provides clarity.
Common error
Avoid using "to test for something" without specifying what 'something' refers to. Vague usage can confuse readers. Instead of saying "We need to test for something", be specific: "We need to test for lead contamination".
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "to test for something" functions as an infinitive phrase, acting as a verb that indicates the action of performing a test to identify or detect a specific element or condition. As Ludwig AI confirms, the phrase is grammatically correct and usable in written English.
Frequent in
News & Media
36%
Science
30%
Formal & Business
13%
Less common in
Wiki
8%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "to test for something" is a versatile and grammatically correct phrase widely used to indicate the act of examining something to detect a specific element or condition. As Ludwig AI explains, it's suitable for various contexts, including news, science, and formal communication. The phrase is most prevalent in news and media sources but is also common in scientific and business contexts. To ensure clarity, avoid vague language and always specify what is being tested. Alternatives include "to check for", "to screen for", and "to investigate something", depending on the context and the depth of examination.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
to check for something
Changes the verb from "test" to "check", implying a less rigorous examination.
to screen for something
Suggests a preliminary examination to identify potential issues.
to investigate something
Focuses on a more thorough and detailed inquiry.
to examine something for
Reverses the prepositional phrase, slightly altering the emphasis.
to analyze something for
Emphasizes a more in-depth analysis to discover specific components or characteristics.
to search for something
Implies looking for something that may be hidden or not immediately obvious.
to probe for something
Suggests a careful and deliberate investigation to uncover information.
to look for something
A more general term for seeking the presence of something.
to inspect something for
Implies a careful and critical examination.
to assess something for
Indicates an evaluation or judgment of something based on specific criteria.
FAQs
How can I use "to test for something" in a sentence?
You can use "to test for something" when you want to express the action of examining something to determine the presence or absence of a specific element or condition. For example, "The engineer used simulations "to test for" potential structural weaknesses in the bridge design".
What's a good alternative to "to test for something"?
Alternatives to "to test for something" include phrases like "to check for", "to screen for", or "to investigate something", depending on the level of scrutiny and the context.
Is it more accurate to say "test for" or "test to see if"?
While both phrases are grammatically correct, "test for" is more concise and direct. "Test to see if" adds unnecessary words. For instance, say "Test for the virus" instead of "Test to see if the virus is present".
When should I use "to examine" instead of "to test for something"?
Use "to examine" when you are conducting a general inspection or evaluation. Use "to test for something" when you are specifically looking for a particular substance, condition, or characteristic. For example, a doctor might "examine" a patient but "test for" a specific disease.
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