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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
check that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'check that' is correct and usable in written English.
You can use it to indicate that something should be verified or tested to make sure it is true or accurate. For example: Be sure to check that the figures on the spreadsheet are correct before submitting the report.
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(20)
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
Check that beat!
News & Media
No, check that.
News & Media
Check that last part.
News & Media
Wait -- check that.
News & Media
Check that again.
News & Media
Check that shit out".
News & Media
(Check that: Yes, I can).
News & Media
We need to check that out.
News & Media
One can check that (1.11).
Check that out below.
News & Media
Better check that out.
News & Media
Expert writing Tips
Best practice
When using "check that" in instructions, be specific about what needs to be verified and how. For example, "Check that all fields are filled before submitting the form."
Common error
Avoid using "check that" without clearly defining what needs to be checked. Vague instructions can lead to misinterpretations and errors. Instead of saying "Check that everything is okay", specify what aspects should be verified.
Source & Trust
79%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "check that" primarily functions as an imperative, directing someone to verify or confirm something. This aligns with Ludwig AI's assessment of its usability in written English, indicating its role in instructing or advising.
Frequent in
News & Media
30%
Wiki
26%
Science
18%
Less common in
Formal & Business
10%
Reference
8%
Academia
8%
Ludwig's WRAP-UP
In summary, the phrase "check that" serves as a versatile imperative used to instruct someone to verify or confirm information. As Ludwig AI confirms, it is grammatically correct and widely applicable in written English. Its neutral register makes it suitable for diverse contexts, including news, media, and instructional materials. While predominantly used for prompting verification, it can be replaced with synonyms like "verify that" or "ensure that" to adjust the level of formality or emphasis.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
verify that
Implies a more formal or thorough confirmation process compared to a simple check.
confirm that
Suggests solidifying or establishing certainty about something.
ensure that
Focuses on making certain a condition is met or maintained.
double-check that
Emphasizes the need for a second verification to avoid errors.
look into that
Suggests a more in-depth investigation or review.
investigate that
Implies a systematic or formal examination of a matter.
review that
Focuses on a critical assessment of something already done or presented.
re-examine that
Highlights the act of looking at something again, often for a different purpose.
assess that
Implies evaluating the nature, ability, or quality of something.
validate that
Focuses on establishing the truth or accuracy of something.
FAQs
How can I use "check that" in a sentence?
You can use "check that" to instruct someone to verify something, like "Check that the door is locked" or "Check that all the data is entered correctly".
What's the difference between "ensure that" and "check that"?
"Check that" implies a simple verification, while "ensure that" suggests making certain that something is the case, often involving actions to guarantee the outcome.
What can I say instead of "check that"?
Alternatives include "verify that", "confirm that", or "make sure that", depending on the level of formality and the context.
Is it acceptable to use "check that out" in formal writing?
While "check that out" is commonly used, it's generally more appropriate for informal contexts. In formal writing, consider alternatives like "examine that" or "review that".
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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
79%
Authority and reliability
4.1/5
Expert rating
Real-world application tested