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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
checking in on
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "checking in on" is correct and usable in written English.
You can use it to refer to somebody visiting a place, or calling or messaging someone to see how they are doing. For example: "I'm just checking in on you to see how everything's going."
✓ Grammatically correct
News & Media
Wiki
Formal & Business
Science
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
46 human-written examples
Why aren't we checking in on the others?
News & Media
But it's hard to remember that when checking in on Warhol's grave.
News & Media
Until this is fixed, I'm afraid I won't be checking in on Your creation.
News & Media
"You wouldn't be spending four hours checking in" on an international flight.
News & Media
His main chore is checking in on a pair of Japanese restaurants he has invested in.
News & Media
And we're also checking in on how we might respond to announcements," said O'Rourke.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
14 human-written examples
I watched neighbors check in on one another.
News & Media
Check in on some numbers.
News & Media
She checks in on them every day.
News & Media
She also checks in on Michele Bachmann.
News & Media
I checked in on a Tuesday.
News & Media
Expert writing Tips
Best practice
In professional settings, this phrase is ideal for status updates where you want to maintain a collaborative rather than a confrontational tone.
Common error
Do not confuse "checking in on" with "checking in at". Use "on" for people or projects you are monitoring, and "at" for locations like hotels or airports where you are registering your arrival.
Source & Trust
92%
Authority and reliability
4.9/5
Expert rating
Real-world application tested
Linguistic Context
This phrase functions as a phrasal-prepositional verb. It consists of the base verb "check" followed by the adverbial particle "in" and the preposition "on". As indicated by Ludwig AI, it acts as a transitive unit that requires an object, typically representing the person or situation being monitored.
Frequent in
News & Media
65%
Formal & Business
20%
Wiki
10%
Less common in
Science
3%
Encyclopedias
1%
Reference
1%
Ludwig's WRAP-UP
The phrase "checking in on" is a versatile and grammatically correct expression favored in modern English. According to Ludwig, it is an essential tool for writers who need to describe the act of monitoring someone's well-being or a project's status. It successfully maintains a balance between professional oversight and personal concern, making it a reliable choice for everything from high-tier journalism in The New York Times to collaborative business emails. Its frequent appearance in both "News & Media" and "Formal & Business" contexts underscores its status as a staple of clear, effective communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
monitoring
Suggests a more continuous or technical observation process
following up on
Emphasizes continuing a previous interaction or specific task
keeping tabs on
A more idiomatic and informal way to describe frequent observation
inquiring about
More formal and focused on the act of asking for information
touching base with
A common business idiom for brief contact or updates
observing
Focuses on the visual or analytical aspect of checking
verifying
Implies checking specifically to confirm accuracy or truth
overseeing
Suggests a position of authority or management over the subject
revisiting
Implies returning to a subject or person after some time has passed
supervising
A formal term for professional or administrative oversight
FAQs
How to use "checking in on" in a sentence?
You can use it to describe monitoring progress or well-being, such as: "The manager is "checking in on" the team's progress."
What can I say instead of "checking in on"?
Depending on the context, you can use alternatives like "monitoring", "following up on", or "touching base with".
What is the difference between "checking in on" and "checking on"?
While similar, "checking on" is often more direct or clinical, whereas "checking in on" often implies a more social or periodic check to see how something is developing.
Is "checking in on" formal enough for business emails?
Yes, it is widely used in professional contexts to mean "evaluating" or "reviewing" status in a friendly yet efficient manner.
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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
92%
Authority and reliability
4.9/5
Expert rating
Real-world application tested