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 built up
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I have built up" is correct and usable in written English.
It can be used to indicate the accumulation or development of something over time, such as skills, knowledge, or resources. Example: "Over the years, I have built up a strong network of professional contacts in my industry."
✓ Grammatically correct
News & Media
Lifestyle
Sport
Alternative expressions(20)
I have recovered
I have established
I was given
I have deserved
I have earned
I have gathered
I have located
I have subscribed
I am in receipt of
I have received
I have strengthened
I have incorporated
I have procured
I have been sent
I have accumulated
I have available
I have removed
I have collected
I have undergone
I have garnered
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
30 human-written examples
'Over the years I have built up the access.
News & Media
Over the past six weeks Ken and I have built up a good rapport with Russell.
News & Media
I have built up my game to be very powerful and threatening to the other guys.
News & Media
Shouldn't I have built up some equity, a squatter's right to these streets and buildings that feel so familiar?
News & Media
He said: "Whilst I appreciate the need for parents' peace of mind, I have built up an excellent reputation as a teacher and responsible adult.
News & Media
I have built up an expectation by giving in to this in the past so now it's hard to break that pattern and get my own space back.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
28 human-written examples
"I've built up some confidence," Jones said.
News & Media
"Now I've built up a whole set of other walls.
News & Media
I left behind everything I had built up - husband, home, possessions and my business.
News & Media
He added: "These two years, I've built up some experience.
News & Media
I've built up two unbeatable weapons: experience and a sense of humour".
News & Media
Expert writing Tips
Best practice
When using "I have built up", ensure the context clearly indicates what has been accumulated or developed over time. This adds clarity and impact to your writing.
Common error
Avoid using "I have built up" when referring to something that happened quickly or instantaneously. This phrase is best suited for processes that take time and effort.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I have built up" functions as a verb phrase indicating the completion of an action that started in the past and continues to have relevance in the present. Ludwig confirms its correct grammatical usage, showcasing its utility in various contexts.
Frequent in
News & Media
52%
Lifestyle
16%
Sport
12%
Less common in
Science
8%
Wiki
8%
Formal & Business
4%
Ludwig's WRAP-UP
The phrase "I have built up" is a versatile and commonly used expression indicating the gradual accumulation or development of something over time. Ludwig AI confirms its correct usage in English. It is most frequently found in news and media contexts, lifestyle articles, and sports reporting. While grammatically sound and widely accepted, it's essential to use the phrase appropriately, ensuring that the context reflects a process that requires time and effort. Consider alternatives like "I have developed" or "I have accumulated" to better suit specific nuances. By understanding these aspects, you can effectively use "I have built up" in your writing and communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
I have developed
Focuses more on the process of growth or evolution of something, whether it is a skill, relationship, or product.
I have accumulated
Implies a gradual gathering or collection of things, often suggesting quantity or volume.
I have established
Suggests a firmer, more permanent creation or setting up of something, like a business or reputation.
I have cultivated
Emphasizes the nurturing and careful development of something over time, often used for relationships or skills.
I have fostered
Similar to 'cultivated', but often implies providing care and support for growth.
I have amassed
Conveys accumulating a large quantity of something, often wealth or possessions.
I have gained
More general; implies acquiring something but not necessarily building it over time.
I have constructed
Implies deliberate and methodical building, often physically or structurally.
I have acquired
Focuses on obtaining something, without necessarily implying development over time.
I have strengthened
Highlights the increase in power, stability, or effectiveness of something already existing.
FAQs
How can I use "I have built up" in a sentence?
Use "I have built up" to describe the gradual accumulation or development of something over time, such as "Over the years, "I have built up" a strong professional network".
What are some alternatives to "I have built up"?
Depending on the context, you could use phrases like "I have developed", "I have accumulated", or "I have established".
Is it correct to say "I had built up" instead of "I have built up"?
Yes, "I had built up" is grammatically correct, but it places the building process in the past relative to another past event. ""I have built up"" connects the past action to the present.
What's the difference between "I have built up" and "I built"?
""I have built up"" implies a gradual process over time resulting in the current state, whereas "I built" refers to a completed action in the past without necessarily highlighting the process.
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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested