Used and loved by millions
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
before they checked in
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "before they checked in" is correct and usable in written English.
It can be used to refer to actions or events that occurred prior to a group of people completing their check-in process, often in contexts like travel or events. Example: "The guests were informed about the new policies before they checked in to the hotel."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(20)
before they are
before they could
they were before
before they have been
before I checked in
before they were
they were checked
before they had
before they travelled
before they returned
before they achieve
before they left
before they departed
they used to be before
before they perceived
before they received
before they received the
before they arrive
before they arose
what they had before
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
1 human-written examples
About 350 passengers were screened for questioning Wednesday afternoon as they prepared to board Air France Flight 68, which had been scheduled to depart at 1 35 p.m. Another 350 passengers who were scheduled to fly out at 7 p.m. were turned away before they checked in.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Before they got in, they checked in with one of the coaches responsible for letting them have a free meal during the school's lunch hour.
News & Media
At the risk of spoiling the narrative (never really the point of an Anderson anyway), I'd advise anyone heading to SC's The Grand Budapest Hotel to check out at least something about the film before they check in.
News & Media
Rachel and Dan arrive on a beautiful island for the holiday of a lifetime – newly wed, newly pregnant – but even before they check in to their luxurious hotel, the locals are warning Rachel that her husband is in danger.
News & Media
Using the new Hilton HHonors app (yes, that name needs work) or the Hilton website, users will be able to choose their room the day before they check in.
News & Media
"We offer complimentary cribs, high chairs and baby carriages, and we baby-proof the room before they even check in," said Yvonne Biegel, the hotel's public relations director, "so our guests can get on a plane and come here without having to haul all that stuff".
News & Media
Before she checked in, "I didn't even have the energy to laugh," she said.
News & Media
(The two women even ended up in the same Swiss hospital, though Zelda was gone before Lucia checked in).
News & Media
Below is a guide to some of the pop-up genre's most popular hotel brands along with their coordinates so you can check in before they check out.
News & Media
While initially they said he had checked in on Sept. 28, three days before the shooting, they now believe he checked in on Sept. 25.
News & Media
They check in before dinner.
News & Media
Expert writing Tips
Best practice
To enhance clarity, use "before they checked in" to sequentially narrate events, emphasizing that one action preceded the formal check-in process.
Common error
Avoid using "before they checked in" when the check-in process isn't the central focus of the sentence. If the check-in is incidental, rephrase to highlight the primary action or event.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "before they checked in" functions as an adverbial clause of time, modifying the main clause by specifying when an action occurred in relation to the check-in process. As Ludwig highlights, it's a valid and usable English phrase.
Frequent in
News & Media
70%
Wiki
15%
Science
15%
Less common in
Formal & Business
0%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "before they checked in" is a grammatically correct and frequently used phrase to indicate that an action or event occurred prior to a group's check-in. As Ludwig confirms, it's a valid and practical English construction. While versatile, it's most prevalent in News & Media and Wiki contexts. For formal settings, consider alternatives such as "prior to their check-in". Clarity is crucial; always ensure 'they' is clearly defined. By understanding its function and usage, you can effectively incorporate "before they checked in" into your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
prior to their check-in
Formal rephrasing using 'prior to' instead of 'before'.
ahead of their registration
Replaces 'check-in' with 'registration', focusing on the formal process.
preceding their sign-in
Uses 'sign-in' as a synonym for 'check-in'.
in advance of their arrival and check-in
Adds 'arrival' for emphasis and clarity.
leading up to their admittance
Emphasizes the period leading up to the check-in process.
before the start of their check-in procedure
More explicit about the 'check-in' being a procedure.
previously to logging in
Uses 'logging in', suitable for digital contexts.
in anticipation of their registration
Shifts focus to anticipation of registration.
before validating their presence
Formal and emphasizes validation of arrival.
prior to gaining access
Highlights the aspect of gaining access after check-in.
FAQs
What does "before they checked in" mean?
It indicates actions or events that occurred prior to a group of people completing their check-in process, typically in contexts like hotels, flights, or events.
How can I use "before they checked in" in a sentence?
You can use it to describe actions taken "prior to their check-in", such as 'The guests were informed about the new policies before they checked in to the hotel.'
What are some alternatives to saying "before they checked in"?
Alternatives include "prior to their check-in", "ahead of their registration", or "in advance of their arrival" depending on the context.
Is it more appropriate to use "prior to checking in" or "before they checked in"?
"Prior to checking in" is more formal, while "before they checked in" is more conversational. Choose based on the desired tone and audience. Consider "ahead of their check-in" as another alternative.
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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