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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
their phone
Grammar usage guide and real-world examplesUSAGE SUMMARY
"their phone" is a grammatically correct phrase that can be used in written English.
For example, "The couple was so engrossed in their conversation that they didn't even hear their phone ringing."
✓ Grammatically correct
News & Media
Wiki
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
59 human-written examples
audience via their phone.
News & Media
Elliot recited their phone number.
News & Media
Their phone rang.
News & Media
"Their phone numbers are posted right there".
News & Media
I had their phone numbers, their villages.
News & Media
Keeping their phone in their pocket.
News & Media
"And charge their phone," Aarons added.
News & Media
Then their phone lines went down.
News & Media
Suddenly, their phone calls were being returned.
News & Media
Who here ever looks at their phone?
News & Media
No one was on their phone.
News & Media
Expert writing Tips
Best practice
When writing about technology, consider whether "their mobile device" or "their smartphone" is a more accurate and modern substitute for "their phone" depending on the context.
Common error
Ensure you're using the correct possessive pronoun. "There phone" or "They're phone" are incorrect. Use "their phone" to indicate possession by multiple people.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "their phone" functions as a noun phrase, where "their" acts as a possessive determiner modifying the noun "phone". Ludwig provides numerous examples demonstrating its usage in various contexts, and Ludwig AI confirms it's grammatically correct.
Frequent in
News & Media
60%
Wiki
20%
Science
5%
Less common in
Formal & Business
5%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "their phone" is a common and grammatically correct phrase used to indicate possession or usage of a phone by a group of individuals. As Ludwig shows, it's frequently found in news and media, as well as on wiki sites. Ludwig AI confirms its correctness. When writing, remember to use "their" to show possession by multiple people and consider alternatives like "their mobile device" depending on the context. Ensuring correct pronoun usage will improve clarity and avoid common grammatical errors.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
their mobile device
Replaces "phone" with a more general term encompassing smartphones and other portable communication devices.
their cell phone
Specifies the type of phone, emphasizing its cellular network connectivity.
their smartphone
Indicates a more advanced type of mobile phone with computer-like capabilities.
their handset
A more formal or technical term for a phone, referring to the physical device.
their device
Simplifies the phrase by using a general term, useful when the specific device is already understood.
their telephone
A more formal and traditional term for a phone.
theirs phone
Rephrasing to emphasize possession.
their line
Implies their phone connection or phone number.
their mobile
Commonly used in British English to refer to a mobile phone.
the phone they own
Expands the phrase to explicitly state ownership of the phone.
FAQs
How do I use "their phone" in a sentence?
"Their phone" is used to indicate that a group of people owns or uses a particular phone. For example, "The students were asked to turn off their phone during the exam."
What can I say instead of "their phone"?
Depending on the context, you could use phrases like "their mobile device", "their cell phone", or "their smartphone".
Is it correct to say "there phone" instead of "their phone"?
No, "there phone" is grammatically incorrect. "There" indicates a place, while "their" indicates possession. The correct phrase is "their phone", indicating that the phone belongs to them.
What's the difference between "their phone" and "theirs phone"?
"Their phone" is used attributively before a noun, whereas "theirs" is a possessive pronoun used independently. An example using the possessive pronoun is: "Is that phone theirs?" while you use "their phone" like in "Is that their phone?".
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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
4.5/5
Expert rating
Real-world application tested