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
that occur within
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that occur within" is correct and usable in written English.
It can be used to describe events or actions that take place inside a specific context, location, or timeframe. Example: "The symptoms that occur within the first few days of the illness are often the most severe."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Alternative expressions(2)
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
Phonology, study of the sound patterns that occur within languages.
Encyclopedias
Instead, schools should own up to the incidents that occur within their walls.
News & Media
"I only handle disasters that occur within fifty yards of my office," he said.
News & Media
And it applies to job losses that occur within two years.
News & Media
Lithophysae are hollow, bubble-like or rose-like forms that occur within certain glassy rocks.
Encyclopedias
He was making a distinction between behavioral changes that occur within the lifetime of an organism and those which arise across generations.
News & Media
Because many details of events that occur within the stomach are still unknown, other researchers studying the gastrointestinal tract say that the new model may prove useful.
News & Media
It covers only acts that occur within the United States that are committed by people acting on behalf of a foreign person or cause.
News & Media
Impairment of this sort reflects alterations in the chemical processes that occur within the cells of the body.
Encyclopedias
Underwater television provides the observer with a continuous picture of events that occur within the field of the submerged camera.
Encyclopedias
The biological processes that occur within all living organisms are chemical reactions, and most are regulated by enzymes.
Encyclopedias
Expert writing Tips
Best practice
When using "that occur within", ensure that the context clearly defines the boundaries or scope in which the events are taking place. For instance, specify the timeframe, location, or system in question for clarity.
Common error
Avoid using "that occur within" without adequately defining the scope. Vague references can lead to ambiguity. Instead of saying "problems that occur within the company", specify "problems that occur within the marketing department during Q3".
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that occur within" functions as a relative clause, modifying a noun by specifying events or processes happening inside a particular boundary, location, or timeframe. Ludwig AI confirms this usage across various domains.
Frequent in
Science
50%
News & Media
23%
Encyclopedias
12%
Less common in
Formal & Business
3%
Wiki
2%
Reference
0%
Ludwig's WRAP-UP
In summary, "that occur within" is a versatile relative clause used to specify events or processes happening inside a particular context. Ludwig AI analysis shows it is grammatically correct and frequently used across diverse fields like science, news, and encyclopedias. While its formality leans towards neutral to formal, alternatives exist for more casual settings. Pay attention to clearly defining the scope to avoid ambiguity. Remember, the key is to provide specific details and maintain clarity in your writing when using "that occur within".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
that take place inside
Replaces "occur" with a more common synonym and "within" with "inside", simplifying the phrase.
that transpire within
Replaces "occur" with a more formal synonym, maintaining the overall register.
that happen in
Uses more informal synonyms for both verbs, creating a less formal tone.
that unfold inside
Emphasizes the process or development of an event, using a simpler preposition.
that exist inside of
Shifts the focus from an event to a state of being, and uses a slightly more verbose prepositional phrase.
that arise in
Implies origination or emergence within a specific context.
that manifest within
Suggests that something becomes apparent or evident within a specific context.
that are present within
Focuses on the presence of something rather than an event, using a more descriptive phrasing.
that are found inside
Highlights the act of discovering or locating something within a space.
that are located inside
Focuses on the physical positioning of something within a specific area.
FAQs
How can I use "that occur within" in a sentence?
Use "that occur within" to describe events, processes, or changes happening inside a defined space or time. For example, "The changes "that occur within the cell" are crucial for understanding disease progression".
What phrases are similar to "that occur within"?
Alternatives include "that take place inside", "that happen in", or "that arise within", depending on the level of formality and the specific nuance you want to convey.
Is "that occur within" formal or informal?
"That occur within" is suitable for both formal and neutral contexts. More informal alternatives would be "that happen inside" or "that take place in".
What's the difference between "that occur within" and "that occur in"?
"That occur within" suggests a more enclosed or defined space, while "that occur in" is broader. For instance, "events "that occur within the building"" implies the events are limited to the building's interior, whereas "events "that occur in the city"" encompasses the entire city.
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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested