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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
have used
Grammar usage guide and real-world examplesUSAGE SUMMARY
"have used" is a correct and usable phrase in written English.
It is a past tense form of the verb "use" and is commonly used in sentences to indicate a past action that has been completed. Examples: 1. I have used this product for over a year and I am very satisfied with its performance. 2. The students have used up all the art supplies, so we need to restock before the next class. 3. My grandfather has used this watch every day since he received it as a gift from his father. 4. The company has used innovative technologies to improve their production process. 5. She has used her savings to travel around the world.
✓ Grammatically correct
News & Media
Science
Wiki
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
58 human-written examples
They could have used some love.
News & Media
But all of us have used them.
News & Media
I have used it.
News & Media
Researchers have used a host of definitions.
News & Media
Should I have used the term?
News & Media
(He could have used better material).
News & Media
We both have used writing as therapy.
News & Media
Each could have used a sympathetic ear.
News & Media
The squad have used this as motivation.
News & Media
Various research groups have used different methods.
News & Media
We should have used our influence earlier.
News & Media
Expert writing Tips
Best practice
When describing processes or methodologies, use "have used" to clearly indicate which tools or techniques were applied in the past.
Common error
Avoid using "have used" interchangeably with simple past tense ("used") when the timeframe is specific. "Have used" implies a period extending to the present, while "used" refers to a completed action in the past.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "have used" functions as a present perfect verb phrase. It indicates an action that started in the past and continues to the present or whose effects are still relevant. As Ludwig AI indicates, it showcases actions completed at unspecified times.
Frequent in
News & Media
46%
Science
34%
Wiki
5%
Less common in
Formal & Business
3%
Reference
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "have used" is a versatile and grammatically sound phrase signifying actions completed in the past with ongoing relevance. Ludwig AI confirms its correctness and wide applicability. Its use spans across diverse contexts, from everyday conversations to formal academic and scientific publications. While common, careful attention should be paid to its distinction from the simple past tense to ensure accuracy. Understanding nuances such as the difference between "have used" and "used" will enhance writing precision. Remember to consider the context and desired emphasis when selecting alternative phrases like "utilized" or "employed".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
utilized
Replaces "used" with a more formal synonym, implying a deliberate and efficient application.
employed
Similar to "utilized", but can also suggest putting something into service or action.
made use of
A slightly more verbose alternative, emphasizing the act of taking advantage of something.
applied
Focuses on the specific action of putting something to a particular purpose or task.
taken advantage of
Highlights the benefit or opportunity derived from using something.
availed oneself of
A highly formal and somewhat archaic way of saying "used", suggesting a formal opportunity.
drawn on
Implies using something as a resource or source of information.
resorted to
Suggests using something as a last option or in a difficult situation.
implemented
Focuses on the practical execution or application of a plan or system.
exercised
Implies using a right, power, or quality.
FAQs
How do I use "have used" in a sentence?
Use "have used" to indicate that an action of using something was completed at an unspecified time in the past, or continues to have relevance to the present. For example, "I "have used" this software for five years".
What are some alternatives to "have used"?
Depending on the context, you can replace "have used" with alternatives like "utilized", "employed", or "made use of".
What is the difference between "have used" and "used"?
"Have used" is in the present perfect tense, indicating a past action with present relevance, while "used" is in the simple past tense, indicating a completed action in the past with no direct connection to the present.
Is it ever incorrect to use "have used"?
Yes, it would be incorrect to use "have used" when referring to a specific, finished time in the past, such as "I "used" this software yesterday". In this case, using the simple past tense "used" is more appropriate.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested