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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
that have occurred
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that have occurred" is correct and usable in written English.
You can use it to introduce a list of events or actions that have taken place in the past. For example: "In the past year, many positive changes that have occurred in our community."
✓ Grammatically correct
Academia
News & Media
Science
Alternative expressions(17)
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
60 human-written examples
Record the changes that have occurred in each class.
News & Media
Tells about some of the robberies that have occurred recently.
News & Media
Some accidents that have occurred in university laboratories are mentioned.
Kerry's advisers discount the changes that have occurred.
News & Media
These are illustrated with examples of disasters that have occurred.
This page gives details on supernovae that have occurred since the start of 2015.
Academia
Life is unfair and I have significant unfair things that have occurred in my life.
Academia
Disclose material cybersecurity incidents that have occurred accurately and in a timely manner.
Academia
Most tragedies that have occurred in Bangladesh are due to illegal circumventing of the law.
Academia
They are befuddled by the changes that have occurred in the rules of the game.
Consider the shark attacks that have occurred in Florida, Virginia and North Carolina this summer.
News & Media
Expert writing Tips
Best practice
When describing a series of events, "that have occurred" can effectively link general statements with concrete occurrences.
Common error
Do not use "that have occurred" when the occurrence is already implied in the sentence. For example, instead of saying "the problems that have occurred were unexpected", simply say "the problems were unexpected".
Source & Trust
88%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that have occurred" functions as a relative clause, modifying a noun or noun phrase by providing additional information about events or incidents that have taken place. As Ludwig AI confirms, this is a correct and usable phrase in English.
Frequent in
News & Media
39%
Academia
30%
Science
23%
Less common in
Encyclopedias
3%
Formal & Business
1%
Social Media
1%
Ludwig's WRAP-UP
In summary, the phrase "that have occurred" is a grammatically sound and frequently used relative clause, as confirmed by Ludwig AI. It effectively specifies events or changes that have happened in the past. Its neutral register makes it suitable for diverse contexts, including news, academic writing, and scientific reports. While very common, it's important to avoid redundancy and ensure the phrase adds meaningful context to the sentence. Considering the range of examples provided by Ludwig, this phrase is a versatile and reliable tool for clear and precise communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
that have happened
Is a more direct and simple synonym, suitable for informal contexts.
that took place
Emphasizes the location or setting where the events happened.
that have emerged
Similar to "have arisen", but can also suggest events coming into prominence or being noticed.
that transpired
Focuses more on the unfolding or development of events, implying a process or sequence.
that have arisen
Focuses on the emergence or origination of events or issues.
that unfolded
Suggests a gradual revelation or development of events.
that resulted
Highlights the consequence or outcome of a preceding cause or action.
that came to pass
Has a slightly more formal or literary tone, suggesting a sense of inevitability or destiny.
that ensued
Indicates that events followed or came after a particular event, often implying a causal connection.
that materialized
Implies that something previously planned or conceptual has become a reality.
FAQs
How do I use "that have occurred" in a sentence?
Use "that have occurred" to refer to events, changes, or incidents that have taken place in the past. For example, "Consider the changes "that have occurred" since the new policy was implemented".
What are some alternatives to "that have occurred"?
You can use alternatives such as "that transpired", "that took place", or "that happened depending on the context.
Is there a difference between "that have occurred" and "that occurred"?
"That occurred" generally refers to a specific event in the past, while "that have occurred" refers to multiple events or a series of events that have taken place over a period of time. The use of "have" indicates a present perfect tense, implying relevance to the present.
What is the correct grammatical structure when using "that have occurred"?
The phrase "that have occurred" introduces a relative clause modifying a noun. Ensure the verb tense is consistent with the time frame being discussed. For example, "The incidents "that have occurred" this year are under investigation".
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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
88%
Authority and reliability
4.8/5
Expert rating
Real-world application tested