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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
are in
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'are in' is correct and it can be used in written English.
It is most commonly used when describing the location of something. For example: "The textbooks are in the library."
✓ Grammatically correct
News & Media
Encyclopedias
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
60 human-written examples
All are in Manhattan.
News & Media
— are in flux.
News & Media
Both are in jail.
News & Media
MPs are in trouble.
News & Media
Both are in exile.
News & Media
Others are in jail.
News & Media
Both are in Istanbul.
News & Media
CAPITALISTS are in clover.
News & Media
The numbers are in.
News & Media
England are in trouble.
News & Media
Both are in demand.
News & Media
Expert writing Tips
Best practice
Use "are in" to clearly indicate the location, inclusion, or state of being within a defined context. For example, "The documents are in the safe" accurately conveys the location of the documents.
Common error
Avoid using "are in" when "are on" or "are at" is more appropriate. For example, use "The keys are on the table" instead of "The keys are in the table" to indicate surface placement.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are in" functions primarily as a verb phrase indicating the location, state, or inclusion of multiple subjects within a specific context. As confirmed by Ludwig, this phrase is grammatically correct and widely used in English.
Frequent in
News & Media
65%
Encyclopedias
15%
Science
10%
Less common in
Formal & Business
5%
Wiki
3%
Reference
2%
Ludwig's WRAP-UP
In summary, the phrase "are in" is a versatile and frequently used verb phrase in English, primarily functioning to indicate location, inclusion, or a state of being. As Ludwig confirms, it is grammatically correct and widely employed across various contexts. Its neutral register makes it suitable for both formal and informal communication, though it appears most commonly in news and media sources. To ensure correct usage, pay attention to the subject-verb agreement and avoid misusing prepositions. Consider using alternatives like "are situated in" or "are present in" for nuanced expression.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
are located within
This specifies that something is inside a particular area or boundary.
are present in
This emphasizes the presence of something within a specific environment or substance.
are situated in
This emphasizes the physical location or placement of something.
are contained within
This stresses the containment of something inside something else.
exist within
This alternative highlights the presence or existence within a defined space or context.
are encompassed by
This implies that something is included or surrounded by something else.
fall within
This suggests inclusion within a specific category, range, or limit.
reside within
This suggests a more permanent or inherent presence within a space or system.
can be found in
This indicates where something can be located or discovered.
are part of
This denotes that something is a constituent element of a larger whole.
FAQs
How can I use "are in" in a sentence?
What can I say instead of "are in"?
Depending on the context, you can use alternatives like "exist within", "are situated in", or "are present in".
Is it correct to say "are in" or "is in"?
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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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested