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 have demonstrated
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I have demonstrated" is correct and usable in written English.
You can use it when you want to emphasize that you have proven, shown, or exhibited something in a particular way. For example: "I have demonstrated my commitment to this project by completing all assignments on time."
✓ Grammatically correct
News & Media
Academia
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
59 human-written examples
Now I have demonstrated the value of sociologists to them.
Over the past 10 years, my colleagues and I have demonstrated that such monitoring is possible.
News & Media
"Look, I have demonstrated many, many times that I am a super math brain.
News & Media
As I have demonstrated, we don't even compete with developed countries.
News & Media
First, I have demonstrated high-capacitance gate dielectric using atomic layer deposition.
Academia
"I am innocent, and I have demonstrated it with the facts," he said.
News & Media
"We have to have principled, conservative leadership, and I have demonstrated that through my life".
News & Media
"I think that Josh and I have demonstrated that we know what a good page-turner looks like.
News & Media
I mean, it's fun and everything, but is Pearson always right? "I have demonstrated about 85% accuracy when looking 10-15 yeaheadhead," he says.
News & Media
There are, as it happens, cardigans that sit somewhere between the two but I hope I have demonstrated that these cannot be termed "blazers".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
Self-assembling peptides, especially RADA16-I, have demonstrated to be highly effective in generating hemostasis in vivo when applied as a solution.
Science
Expert writing Tips
Best practice
When using "I have demonstrated", ensure the context clearly indicates what you have proven or shown. Provide specific details or examples to support your claim for greater impact.
Common error
Avoid using "I have demonstrated" when the evidence is weak or inconclusive. Overstating your claims can undermine your credibility. Use more tentative language if the demonstration is not definitive.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I have demonstrated" primarily functions as a declarative statement where the speaker asserts they have proven or shown something. Ludwig examples showcase its use in academic papers, news articles, and business contexts.
Frequent in
News & Media
35%
Academia
30%
Science
25%
Less common in
Formal & Business
5%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "I have demonstrated" is a grammatically sound and frequently used expression to assert that one has proven or shown something through evidence or action. Ludwig AI confirms its grammatical correctness. It is particularly common in news, academic, and scientific contexts, aiming to convince or inform the audience. When employing this phrase, it is best practice to ensure that the context provides sufficient details to support the claim. Avoid overstating the impact of your demonstration. Alternatives include "I have shown", "I have proven", and "I have established". As such, understanding the nuances and contexts of "I have demonstrated" helps to use it effectively in writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
I have shown
This alternative uses a more direct and simple verb to indicate the act of demonstrating.
I have proven
This alternative emphasizes the conclusive nature of the demonstration, suggesting irrefutable evidence.
I have established
This alternative highlights the act of setting up or confirming something through demonstration.
I have illustrated
This alternative suggests the use of examples or visuals to make the demonstration clear.
I have confirmed
This alternative stresses the verification aspect of the demonstration, reinforcing its accuracy.
I have verified
Similar to "I have confirmed", this emphasizes the checking and validation process.
I have validated
This alternative suggests that the demonstration has confirmed the validity of something.
I have evidenced
This alternative focuses on the provision of evidence through the demonstration.
I have determined
This alternative conveys that the demonstration has led to a definite conclusion or decision.
I have evinced
This formal alternative implies a clear and unmistakable demonstration, often of a quality or feeling.
FAQs
How can I use "I have demonstrated" in a sentence?
Use "I have demonstrated" to assert that you have proven or shown something through evidence or action. For example, "I have demonstrated my proficiency in data analysis by successfully completing several complex projects".
What are some alternatives to "I have demonstrated"?
You can use alternatives such as "I have shown", "I have proven", or "I have established" depending on the specific nuance you want to convey.
Is it better to say "I demonstrated" or "I have demonstrated"?
"I demonstrated" implies a specific instance in the past, while "I have demonstrated" suggests a continuing or repeated action with present relevance. Choose the tense that best fits the context.
What is the difference between "I have demonstrated" and "I have illustrated"?
"I have demonstrated" implies proving a point, while "I have illustrated" suggests providing examples or visual aids to clarify a point. The best choice depends on whether you are proving something or simply clarifying it.
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
4.5/5
Expert rating
Real-world application tested