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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
i have established
Grammar usage guide and real-world examplesUSAGE SUMMARY
The part of the sentence "I have established" is correct and usable in written English.
You can use it when you have done something to make something exist or become accepted. For example, "I have established a new standard for customer service for this department."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(20)
I have ascertained
i have generated
i have achieved
I have initiated
i have implemented
i have built
i have integrated
i have produced
I have founded
I have demonstrated
i have formed
i have determined
I have instituted
i have ascertained
i have constituted
I have proven
I have determined
I have built
i have articulated
i have been trained
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
49 human-written examples
I have established customers".
News & Media
"I have established a reputation.
News & Media
That is why I have established our new initiative, Sustainable Energy for All.
News & Media
After much discussion I have established that she is seeing the nurse at 3pm.
News & Media
My husband and I have established ground rules: only one a day.
News & Media
"But unfortunately," he added, "since Martin and I have established our beachheads in New York — so look out, America!
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
9 human-written examples
Now I've established myself on the senior stage".
News & Media
I've established a strong link with the place.
News & Media
"I've established he definitely wasn't George Clooney," he said.
News & Media
It took 18 months of daily tweeting before I felt I had established my identity.
News & Media
"I had established this identity that I could not maintain," she says.
News & Media
Expert writing Tips
Best practice
Use "I have established" when you want to emphasize that you have successfully created, proven, or implemented something, highlighting your role in the action.
Common error
Avoid using "I am establishing" when you actually mean to say that something has already been fully established. "I have established" indicates a completed action with present relevance, while "I am establishing" suggests an ongoing process.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I have established" functions as a declarative statement, indicating that the speaker has successfully brought something into existence, proven a point, or set something up. This is supported by Ludwig AI, which indicates correct and usable English. The phrase is commonly used across different contexts as shown in the examples.
Frequent in
News & Media
62%
Science
18%
Formal & Business
12%
Less common in
Wiki
4%
Cover Letter
4%
Science Magazine
0%
Ludwig's WRAP-UP
The phrase "I have established" is a versatile and grammatically sound way to communicate that you have successfully created, proven, or implemented something. As Ludwig AI confirms, it is correct and readily usable in written English. It's important to choose the correct verb tense and consider the context when using this phrase. For example, using "I am establishing" suggests an ongoing process, unlike the completed action indicated by "I have established". This phrase appears most frequently in news and media, science, and formal business contexts, highlighting its relevance in various professional and informative settings. Remember to replace it with alternatives like "I have created" or "I have implemented" for more specific connotations.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
I have created
Focuses on the act of bringing something new into existence.
I have founded
Implies setting up a new institution or organization.
I have instituted
Suggests the formal introduction of a rule or system.
I have proven
Emphasizes the act of demonstrating something to be true.
I have demonstrated
Highlights the act of showing something clearly.
I have implemented
Focuses on putting a plan or system into effect.
I have determined
Implies reaching a conclusion or decision.
I have ascertained
Highlights the act of finding something out for certain.
I have built
Focuses on the act of constructing something over time.
I have initiated
Suggests starting or beginning a process.
FAQs
How can I use "I have established" in a sentence?
You can use "I have established" to indicate that you have successfully created, proven, or implemented something, for example, "I have established a new policy." or "I have established a strong reputation."
What can I say instead of "I have established"?
You can use alternatives like "I have created", "I have founded", or "I have implemented" depending on the specific context.
Which is correct, "I have established" or "I had established"?
"I have established" indicates a completed action that has present relevance, while "I had established" refers to an action completed before another point in the past. Choose the tense that best fits the timeline of your narrative.
What's the difference between "I have established" and "I am establishing"?
"I have established" indicates a completed action, whereas "I am establishing" indicates an ongoing process. For instance, "I have established a team" suggests the team is already in place, but "I am establishing a team" means you are currently in the process of forming it.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested