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
I did check
Grammar usage guide and real-world examplesUSAGE SUMMARY
"I did check" is correct and usable in written English.
It is an affirmative statement illustrating that an action was taken or completed in the past. Example: I wanted to make sure the measurements were correct, so I did check them twice before I started building.
✓ Grammatically correct
News & Media
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
25 human-written examples
"Well, I did check.
News & Media
I did check my email occasionally, but I rarely responded.
News & Media
I usually don't check luggage, but on a recent business trip, I did check a bag.
News & Media
I did check with them afterwards, to make sure it was OK.
News & Media
The last one was all about death – I did check if that was acceptable.
News & Media
But the last time I did check, I was the No.-1 rated quarterback in the American Football Conference".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
35 human-written examples
And I do check the Vatican Web site for the papal discourses.
News & Media
I do check the Weather Channel, because that determines my wardrobe.
News & Media
"I do check packages that are sent to my office, however".
News & Media
I try not to repeat myself; I don't use a thesaurus much, but I do check the rhyming dictionary.
News & Media
Although I am not a director myself I do check all of our games and discuss them over email.
News & Media
Expert writing Tips
Best practice
In conversational contexts, "I did check" can subtly defend against accusations of negligence or oversight.
Common error
While grammatically sound, "I did check" can sound too informal for academic or highly professional writing. Opt for more direct and concise alternatives like "I verified" or "I confirmed".
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I did check" functions as an emphatic affirmative statement indicating that the speaker performed an action of verification or confirmation. The emphasis is achieved through the auxiliary verb 'did'. As Ludwig AI confirms, this usage is both correct and common.
Frequent in
News & Media
44%
Science
32%
Formal & Business
12%
Less common in
Encyclopedias
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "I did check" is a grammatically correct and frequently used phrase to emphasize that an action of verification or confirmation took place. It's suitable for neutral contexts, but more formal settings might benefit from alternatives like "I verified". Ludwig AI confirms that the phrase is usable in written English. While common, the phrase's impact is emphasized by its direct and clear nature.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I verified
Directly states the act of verifying, simpler and more concise.
I made sure to check
Emphasizes the intention and effort put into checking.
I confirmed
Similar to verified, but focuses on establishing certainty.
I double-checked
Highlights that the checking was done more than once.
I looked into it
Indicates an investigation or examination was conducted.
I investigated
Implies a more thorough and formal inquiry than simply checking.
I ascertained
Formal way of stating that something was found out for certain.
I ensured
Focuses on making something certain or guaranteed through checking.
I gave it a once-over
Indicates a quick but thorough check.
I ran it by
Implies checking with someone else for their opinion or confirmation.
FAQs
How can I use "I did check" in a sentence?
You can use "I did check" to emphasize that you verified or confirmed something. For example, "I did check the schedule before leaving the house."
What's a more formal alternative to "I did check"?
More formal alternatives include "I verified" or "I confirmed". These options are suitable for academic or professional contexts.
Is "I did check" always the best way to express that I verified something?
No, the best choice depends on the context. "I did check" emphasizes that you took action, but in some cases, a simpler statement like "I checked" may suffice.
What's the difference between "I checked" and "I did check"?
"I checked" is a simple statement of fact. "I did check" adds emphasis, implying you want to assure someone that you performed the check.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested