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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
a common question is
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a common question is" is correct and usable in written English.
It can be used when introducing a frequently asked question or a topic that many people inquire about. Example: "A common question is how to improve time management skills effectively."
✓ Grammatically correct
News & Media
Science
Academia
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
17 human-written examples
But a common question is how much you should have on hand.
News & Media
A common question is whether the surrounding molecules or atoms form a cage strong enough to prevent the fragment atoms from flying apart and from leaving the cluster.
Encyclopedias
As different fellowships notify their successful recipients at different times, a common question is if a student receives the NSF GRFP and must notify the NSF of their acceptance/ declination before hearing from the NDSEG, students should first accept the NSF GRFP.
Back on the dance floor, a common question is "why aren't you dancing" – even if you are.
News & Media
Obviously, AMC is now a channel driven almost entirely by The Walking Dead, but with ratings continuing to dip for that show, a common question is asked.
News & Media
A common question is "what is the difference between BPO and out-tasking?" The easiest way to explain it is to look at an organization as an integrated group of business processes that must be managed by someone (Harward 2010).
Human-verified similar examples from authoritative sources
Similar Expressions
43 human-written examples
Favorable Wide Receiver Matchups Cecil Shorts (JAX) vs. Buffalo Bills – It was not that long ago when a common question being tossed around was, "Is Shorts for real?" We now know that the answer is yes, as Shorts has quickly become a must-start receiver (17th overall in standard scoring).
News & Media
INDIANAPOLIS — A common question being asked of players on the Giants and the New England Patriots this week is an obvious one: what are the similarities between this season's teams and the ones that played each other four years ago in Super Bowl XLII? "None at all," Jacobs said Wednesday when asked about the similarities to the 2007 squad.
News & Media
When I was raising my Series A at YouSendIt a common question was "What happens when Google does this?" Any investor who is serious about your business already knows the answer: we all compete with Google and a truly great startup will out-execute any business division of any large company on any day of the week (especially on weekends).
News & Media
As the state recovers, a common question being asked is whether state livestock regulations, particularly regarding facility siting and waste management methods, will be revised to accommodate future flood conditions.
This is not a trivial clarification, because one common question is whether all four STEM disciplines need be integrated for instruction to be considered integrated STEM.
Expert writing Tips
Best practice
When using "a common question is", ensure that the question you introduce is genuinely one that many people ask, rather than a niche or uncommon query.
Common error
Avoid framing a highly specialized query as "a common question is". Tailor your language to the audience and ensure the question reflects a broad concern or interest.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a common question is" functions as an introductory phrase. It signals the presentation of a question that is asked frequently or is widely considered. Ludwig AI confirms its correct usage.
Frequent in
News & Media
37%
Science
32%
Academia
18%
Less common in
Wiki
7%
Encyclopedias
3%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "a common question is" effectively introduces frequently asked questions across diverse fields like news, science, and academia. Ludwig AI confirms its grammatical correctness and versatility. While maintaining a neutral tone, it signals the relevance of the ensuing question to a wide audience. Related phrases include "a frequently asked question is" and "a typical question is". It's important to verify that the question is genuinely common to avoid misidentifying the audience. The most authoritative sources using this phrase include The New York Times, Huffington Post, and Forbes.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
One common question is
Adds "one" to emphasize that it's one among possibly other common questions.
A frequently asked question is
Replaces "common" with "frequently asked", emphasizing the repeated nature of the question.
A typical question is
Substitutes "common" with "typical", indicating that the question is representative.
A recurring question is
Replaces "common" with "recurring", highlighting that the question appears repeatedly.
A usual inquiry is
Uses "inquiry" instead of "question", suggesting a more formal tone and replaces "common" with "usual".
A prevalent question is
Substitutes "common" with "prevalent", suggesting widespread occurrence of the question.
A frequent query is
Swaps "question" for "query", denoting a search or request for information.
A general question is
Uses "general" instead of "common", indicating that the question is broad and applicable in many situations.
The main question is
Shifts the focus to the primary or most important question.
What people often ask is
Rephrases to focus on the act of asking by people in general.
FAQs
How do I use "a common question is" in a sentence?
Use "a common question is" to introduce a question that is frequently asked or considered. For example, "A common question is, 'How can I improve my writing skills?'"
What can I say instead of "a common question is"?
You can use alternatives like "a frequently asked question is", "a typical question is", or "a general question is" depending on the context.
Which is correct, "a common question is" or "the common question is"?
"A common question is" is generally used to introduce one of many frequently asked questions. "The common question is" implies there is only one question that is commonly asked.
What's the difference between "a common question is" and "the question is"?
"A common question is" suggests the question is frequently asked, while "the question is" simply introduces a question without implying its frequency.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested