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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
I have marked
Grammar usage guide and real-world examplesUSAGE SUMMARY
"I have marked" is correct and usable in written English.
You can use it any time you want to specify that you have done something, e.g. "I have marked all the answers on the quiz."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(20)
I have noted
I have designated
I have identified
I have checked
I have preferred
I have acknowledged
I have celebrated
I have categorized
I have demonstrated
I have characterized
I have appreciated
I have represented
I have measured
I have enumerated
I have incorporated
I have indicated
I have highlighted
I have accelerated
I have recorded
I have stolen
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
18 human-written examples
Based on the newspaper series with which "The Independent" and "i" have marked the 800 anniversary of Magna Carta, this book offers a simple, accessible overview of the current state of play in the most important constitutional areas.
News & Media
"I have marked money".
News & Media
I have marked this spot on my sketch with a fairly large white dot.
Academia
On my sketch I have marked the actual area occupied by the Army Group Center.
Academia
"I have marked that date on my calendar as a day of celebration," he wrote.
News & Media
In my time here, I have marked significant events here, like the drafting of a new Iraqi Constitution and the formal end of the American occupation, and I have marked a number of personal ones, too.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
42 human-written examples
"I've marked every page," he said.
Academia
I had marked it as a priority.
News & Media
I've marked my calendar to buy the book when it comes out, November 2010….
Academia
I had marked certain passages in "Die Blechtrommel"; I'd memorized the English translations of these passages.
News & Media
"I've marked it down as a must get," he wrote in a public Reddit chat in December 2016.
News & Media
Expert writing Tips
Best practice
Use "I have marked" when you want to clearly state that you have made a notation, designation, or record of something. Be precise about what you have marked and why, to provide context for your audience.
Common error
Avoid using "I have marked" without clearly stating what you've marked and the reason behind it. For instance, instead of saying "I have marked it," specify "I have marked the key dates on the calendar to help us stay organized".
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I have marked" primarily functions as a verb phrase in the present perfect tense. It indicates a completed action by the speaker that has relevance to the present. Ludwig analysis confirms its grammatical correctness and usability.
Frequent in
News & Media
60%
Academia
30%
Science
10%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "I have marked" is a grammatically sound and commonly used verb phrase in the present perfect tense. It is used to indicate that the speaker has completed an action of marking or designating something, with implications for the present. According to Ludwig, this phrase is correct and usable in written English. It appears frequently in news media and academic contexts, suggesting a neutral to slightly formal register. When using this phrase, ensure clarity by specifying what exactly has been marked and the reason for doing so. This will increase the informative value of your communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I've noted
A more general term for having taken something into account.
I've designated
Slightly more formal, implying a deliberate assignment or selection.
I've indicated
Focuses on showing or pointing something out rather than merely noting it.
I've identified
Implies recognizing something specific from a larger set.
I've highlighted
Specifically refers to emphasizing something visually or figuratively.
I have earmarked
Suggests setting something aside for a particular purpose.
I've recorded
Implies preserving information for future reference.
I've flagged
Suggests marking something for attention or action.
I've labeled
Focuses on attaching a descriptor or name to something.
I have checked
Indicates that something has been reviewed or verified.
FAQs
How can I use "I have marked" in a sentence?
You can use "I have marked" to indicate that you've noted or designated something. For instance, "I have marked the important dates on the calendar" or "I have marked the relevant sections in the document".
What are some alternatives to "I have marked"?
Alternatives include "I have noted", "I have designated", or "I have identified". The best choice depends on the specific context and nuance you want to convey.
Is it better to say "I have marked" or "I marked"?
"I have marked" (present perfect) implies the action has relevance to the present, while "I marked" (simple past) simply states the action occurred in the past. For example, "I have marked the errors, so we can correct them now" emphasizes the current relevance of the marking.
What's the difference between "I have marked" and "I am marking"?
"I have marked" indicates a completed action, while "I am marking" (present continuous) indicates an ongoing action. For instance, "I have marked all the completed tasks," versus "I am marking the tasks as they are completed".
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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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested