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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 them in
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "checking them in" is correct and usable in written English.
It can be used in contexts where you are referring to the process of registering or admitting items, people, or information, such as at an airport or a hotel. Example: "After arriving at the hotel, we proceeded to the front desk for checking them in."
✓ Grammatically correct
News & Media
Science
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
4 human-written examples
The school's director, Lainey Collins, told Ms. Black, "Every morning, we're at the front door, checking them in, making sure they don't miss school, and sometimes going after them at home to find if they don't show up for class".
News & Media
For example, passengers may carry their bags on board an airplane rather than checking them in order to save time when they land because they expect to arrive behind schedule, Professor Headley said.
News & Media
We found inliers among matched point pairs by checking them in a global transformation function between the reference and the second image.
We were not actively checking them in or verifying credentials.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
But for some reason, they wanted me to check them in St . Louis
News & Media
Whatever combination of bags Ms. Rao brings to the airport, she never checks them in.
News & Media
It helps them create a guest list, check them in at the event, and then crunch the data afterwards.
News & Media
"Instead of continuing with the conversation, we all take out our phones and check them in earnest," he said.
News & Media
Rather, they employ "hosts," who greet guests as they arrive, check them in and cater to their needs.
News & Media
Lats time, she began with ideas, then checked them in more than 400 guidebooks.
News & Media
Sierra Leone players found opponents unwilling to shake hands, hotels unwilling to check them in and governments uncertain on granting them entry.
News & Media
Expert writing Tips
Best practice
When using "checking them in", ensure the context clearly indicates what is being checked in, whether it's people, luggage, or data. For instance, specify "checking the guests in" or "checking the bags in" for clarity.
Common error
Avoid using "checking them in" without specifying what "them" refers to. Always provide context to prevent ambiguity, such as "checking the attendees in" instead of just "checking them in".
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "checking them in" functions as a phrasal verb, specifically a transitive one requiring a direct object. As evidenced by Ludwig, it describes the action of registering or admitting someone or something.
Frequent in
News & Media
40%
Wiki
30%
Science
30%
Less common in
Encyclopedias
0%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "checking them in" is a grammatically correct and usable phrasal verb that describes the process of registering or admitting something or someone. According to Ludwig, the phrase is most commonly found in news and media contexts, but also appears in scientific and wiki sources. While generally neutral in tone, it is important to provide sufficient context to avoid ambiguity. Alternative phrases include "registering them" and "admitting them". Overall, "checking them in" is a useful phrase for describing registration and admittance procedures across various settings.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
registering them
Focuses on the act of officially recording or enrolling something or someone.
admitting them
Emphasizes the act of allowing entry or acceptance into a place or group.
processing their entry
Highlights the procedural aspect of handling the arrival or admission of individuals or items.
verifying their credentials
Concentrates on confirming the authenticity or validity of documents or qualifications.
logging their arrival
Emphasizes the action of recording the time and date of someone or something's arrival.
confirming their presence
Focuses on establishing that someone is present or has arrived.
validating their entry
Highlights the process of ensuring that the entry is legitimate and permissible.
documenting their check-in
Implies a more formal process of recording the arrival and registration.
marking their attendance
Specifically refers to recording that someone is present at a particular event or location.
supervising their admittance
Implies overseeing the process of allowing entry to ensure it is done correctly.
FAQs
How can I use "checking them in" in a sentence?
You can use "checking them in" to describe the process of registering someone or something upon arrival, such as "The hotel clerk was responsible for checking them in" or "The airline agent was busy checking the luggage in".
What is a good alternative to "checking them in"?
Depending on the context, you might use alternatives such as "registering them", "admitting them", or "processing their entry" to convey a similar meaning.
Is "checking them in" formal or informal?
"Checking them in" is generally considered neutral in formality and is appropriate for use in most everyday contexts, from casual conversations to professional settings.
What does "checking them in" mean?
"Checking them in" refers to the process of officially registering or admitting someone or something, such as at a hotel, airport, or event. It involves verifying information and recording their arrival or acceptance.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested