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
checking which
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "checking which" is correct and usable in written English.
It can be used when you are in the process of verifying or determining specific options or details among a set of choices. Example: "I am checking which documents are required for the application process."
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(1)
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
53 human-written examples
The Labour government stopped even checking which governments needed repair, he says.
News & Media
A fault is isolated by checking which residuals breach their thresholds according to a logic rule.
Science
However, the traditional construction safety checking which is operated by the experienced manager is manual and time-consuming.
Science
Safety checking which identifies hazards before they occur is a core process of safety management on construction sites.
Science
In most cases, this required actually pulling down the materials and checking which components belonged to which containers and what their barcodes are.
Academia
· Simple bounded sequential equivalence checking, which unrolls sequential circuits for a given number of timeframes and performs combinational equivalence of the resulting combinational circuits.
Human-verified similar examples from authoritative sources
Similar Expressions
7 human-written examples
If the news media has to pour so much energy into fact-checking, which is noble and necessary, I worry that the big picture gets short shrift.
News & Media
If it is true that journalism is the first draft of history, then like any first draft, it needs fact-checking, which is what we hope to do with our weekly Retro reports.
News & Media
It's also that the interpretation of advertisements often has more in common with cultural criticism than it does with rigorous magazine fact-checking, which makes it hard for even the most down-the-middle reporter to define what counts as fair.
News & Media
In particular, this summer team will support scalable "pop-up" fact-checking, which in real-time identifies checked claims while media streams, social network feeds, and website contents are being consumed.
Academia
The Reporters' Lab experiments with new forms of journalism, including fact-checking, which is growing around the world, empowering democracies and holding governments accountable, and structured journalism, which creates new forms of storytelling and beat reporting.
Academia
Expert writing Tips
Best practice
Use "checking which" to clearly indicate a process of selection or verification from a set of possibilities. It's suitable for both formal and informal contexts.
Common error
Avoid using the imperative form 'check which' when you intend to describe an ongoing process. Use "checking which" to convey the continuous action of verifying or determining something.
Source & Trust
84%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "checking which" functions as a conjunction phrase indicating an ongoing process of verification or selection. As Ludwig AI states, it is usable in written English. It connects the action of checking to the specific options being considered.
Frequent in
News & Media
32%
Science
45%
Academia
23%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "checking which" is a grammatically correct and commonly used conjunction phrase that indicates a process of verification or selection. Ludwig AI confirms its usability in written English. It's suitable for various contexts, including news, science, and academic writing, and maintains a neutral tone. While alternatives like "verifying which" and "determining which" exist, understanding the subtle differences in meaning is crucial for precise communication. Avoid the imperative form ('check which') when describing an ongoing process. Mastering the use of "checking which" ensures clear and accurate expression in diverse writing scenarios.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
verifying which
Replaces "checking" with a more formal synonym, emphasizing confirmation.
confirming which
Emphasizes the act of verifying something's accuracy or validity.
determining which
Focuses on the act of making a decision or conclusion.
ascertaining which
A more formal alternative to "checking", suggesting a careful investigation.
examining which
Implies a careful and systematic review to determine the right choice.
identifying which
Highlights the process of recognizing or pointing out specific items.
investigating which
Suggests a more thorough examination to determine the correct option.
finding out which
A more informal way of saying "checking which", suitable for casual contexts.
inspecting which
Focuses on detailed examination to identify specific attributes.
seeing which
A less formal alternative, implying observation as a method of checking.
FAQs
How can I use "checking which" in a sentence?
Use "checking which" to indicate an act of verifying or determining something among several options. For instance, 'I am "checking which" documents are required for the application process'.
What are some alternatives to "checking which"?
You can use alternatives like "verifying which", "determining which", or "identifying which" depending on the context.
Is there a difference between "checking which" and "check which"?
Yes, "checking which" describes an ongoing process, whereas 'check which' is an imperative. For example, "checking which" items are on the list is different from telling someone to 'check which' items are on the list.
In what contexts is "checking which" most appropriate?
"Checking which" is appropriate in various contexts, from formal reports to casual conversations, where you need to express the action of verifying or selecting from a range of options. Ensure the context supports a continuous action rather than a command.
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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
84%
Authority and reliability
4.3/5
Expert rating
Real-world application tested