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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
tend to run
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "tend to run" is correct and can be used in written English.
This phrase is typically used to describe a typical behavior—what a group or person often does in a situation. For example, you could say, "People tend to run from scary movies."
✓ Grammatically correct
News & Media
Science
Academia
Wiki
Formal & Business
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
AAAs also tend to run in families.
Academia
Audiences tend to run from confusion.
News & Media
And they tend to run in families.
News & Media
Help! Smarter villagers tend to run.
News & Media
In tense situations, negative emotions tend to run high.
Academia
Government crackdowns on insider trading tend to run in cycles.
News & Media
I tend to run toward things I don't understand".
News & Media
Predictions about the future tend to run to the extremes.
News & Media
Then in the summer I tend to run more.
News & Media
These conditions typically develop in adolescence and young adulthood and tend to run a chronic course.
Science
Our largest photographs tend to run on our Election 2012 page.
News & Media
Expert writing Tips
Best practice
Use "tend to run" to describe common behaviors, patterns, or averages rather than absolute certainties. For example, "Prices in that area "tend to run" higher than the national average".
Common error
Avoid using "tend to run" when describing a unique event or something that is always true. "Water "tends to run" downhill" is technically correct but unnecessary; it always runs downhill.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "tend to run" functions as a modal verb phrase, indicating a likelihood, general tendency, or common occurrence. Ludwig's examples showcase its use in describing trends, behaviors, and typical patterns.
Frequent in
News & Media
60%
Science
15%
Wiki
10%
Less common in
Academia
7%
Formal & Business
5%
Reference
3%
Ludwig's WRAP-UP
The phrase "tend to run" is a versatile modal verb phrase used to express likelihood or general tendencies. As confirmed by Ludwig, it's grammatically correct and widely employed across various contexts, particularly in news, scientific, and general interest writing. Its neutral register makes it suitable for diverse audiences. While highly frequent, writers should avoid using it in situations where something is invariably true or to describe unique events, as this can lead to unnecessary qualifications. When you're aiming to describe common behaviors, patterns, or averages with an acceptable level of correctness, consider "tend to run" to make your point.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
usually operate
Replaces "tend to" with "usually", focusing on typical operation or function.
typically function
Similar to "usually operate", emphasizing typical functioning.
generally behave
Focuses on typical behavior or conduct.
are prone to go
Indicates a predisposition or likelihood of going or acting in a certain way.
have a habit of going
Emphasizes a repeated or ingrained behavior.
are inclined to do
Highlights a natural tendency or preference.
are liable to happen
Indicates a higher than average chance of occurring, generally used for negative events.
are apt to proceed
Implies a natural or inherent tendency to proceed in a certain manner.
are given to moving
Suggests a propensity or inclination towards physical movement.
are wont to move
A more archaic and formal way of saying 'are accustomed to'.
FAQs
How can I use "tend to run" in a sentence?
You can use "tend to run" to describe typical or common behaviors. For example, "Anxiety disorders "tend to run" a chronic course".
What's a more formal alternative to "tend to run"?
Consider using phrases like "are inclined to" or "are prone to" for a more formal tone.
Is it correct to say "tends to run" instead of "tend to run"?
The form depends on the subject. Use "tend to run" for plural subjects (e.g., "They tend to run") and "tends to run" for singular subjects (e.g., "He tends to run").
What's the difference between "tend to run" and "usually run"?
"Tend to run" implies a likelihood or probability based on a pattern. "Usually run" simply states that something happens most of the time. The first expresses more subtle frequency while the second focuses on pure number of occurrences.
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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