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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
had already checked
Grammar usage guide and real-world examplesUSAGE SUMMARY
"had already checked" is a grammatically correct phrase and can be used in written English.
It is used to indicate an action that was completed before another action or moment in the past. Example: By the time we arrived at the airport, I had already checked our luggage.
✓ Grammatically correct
News & Media
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
25 human-written examples
But Mr. Bieber had already checked out.
News & Media
The owner, Barbara O'Connell, had already checked the logs.
News & Media
The porters had already checked it out and said it would be easy to move.
News & Media
But those in the White House have been acting for weeks as if Mr. Emanuel had already checked out.
News & Media
Shelby, he said, had already checked the driver's side of the SUV when Crutcher approached her from the east.
News & Media
He said he had already checked with Mr. Bayless for a sense of Mr. Obama's dining habits.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
35 human-written examples
"I've already checked the attic for manuscripts," Mr. Upton said.
News & Media
You've already checked that your honeymoon destination has Wi-Fi (I have).
News & Media
"I wonder if they've already checked out," I said to my wife.
News & Media
The Tigers have already checked Yale, Dartmouth, and Brown off the list.
Academia
Higgins Benen, as I affectionately call him – has already checked that box.
News & Media
Expert writing Tips
Best practice
When using "had already checked", ensure the sentence clearly establishes the timeline of events, showing that the checking action occurred before another action in the past. This helps maintain clarity and avoid ambiguity.
Common error
Avoid using "had already checked" when the context requires a simple past tense. Using the past perfect implies a prior action within a past narrative, so ensure both actions are accurately positioned in time.
Source & Trust
93%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "had already checked" functions as a past perfect verb phrase. It signifies an action (checking) completed before another point or action in the past. As Ludwig AI confirms, it is grammatically correct and serves to establish a clear sequence of events.
Frequent in
News & Media
90%
Academia
6%
Science
3%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "had already checked" is a grammatically correct and useful past perfect phrase for indicating that a checking action was completed before another event in the past. According to Ludwig AI, the phrase is grammatically sound and readily applicable in written English. While most commonly found in news and media contexts, it can also appear in academic settings. To ensure clarity, use this phrase when establishing a specific sequence of events in the past. Avoid using it when a simple past tense would suffice. Remember to choose appropriate alternatives like "had previously inspected" or "had earlier verified" depending on the context. Overall, "had already checked" serves to provide context and to establish a chronological order.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
had double-checked already
Adds 'double-checked' to indicate a second, more careful check was performed.
had previously inspected
Replaces 'checked' with 'inspected' to emphasize a more thorough examination.
had earlier verified
Substitutes 'checked' with 'verified', highlighting confirmation of accuracy.
had confirmed beforehand
Uses 'confirmed' instead of 'checked' and adds 'beforehand' for emphasis on timing.
had validated in advance
Replaces 'checked' with 'validated' to indicate a formal approval process.
had ascertained earlier
Uses 'ascertained' to suggest a more deliberate and careful investigation.
had gone over already
Uses a phrasal verb 'gone over' for a more casual way of saying 'checked'.
had looked into previously
Emphasizes the investigatory aspect of checking, suitable for exploring options or issues.
had examined prior to
Replaces 'checked' with 'examined' to suggest a detailed review before a certain point.
had made sure before
Replaces 'checked' with 'made sure', focusing on ensuring something was correct or safe.
FAQs
How do I use "had already checked" in a sentence?
Use "had already checked" to describe an action of checking that was completed before another action in the past. For example, "By the time the police arrived, the suspect "had already checked" out of the hotel".
What are some alternatives to "had already checked"?
Alternatives include "had previously inspected", "had earlier verified", or "had confirmed beforehand". The best choice depends on the specific context and the nuance you wish to convey.
Is it correct to say "already had checked" instead of "had already checked"?
While "already had checked" isn't grammatically incorrect, "had already checked" is the more standard and natural word order in most contexts. "Already" usually sits directly before the main verb in past perfect constructions.
What's the difference between "had already checked" and "already checked"?
"Had already checked" is in the past perfect tense, indicating an action completed before another past action. "Already checked" (without "had") is in the simple past tense, describing an action completed at some point in the past, without reference to another past action. The past perfect is useful to establish a sequence.
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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
93%
Authority and reliability
4.5/5
Expert rating
Real-world application tested