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
it sustains
Grammar usage guide and real-world examplesUSAGE SUMMARY
"it sustains" is a correct and usable phrase in written English.
It is typically used to mean that something supports or maintains something else. Example: "The strong foundation of the building sustains its weight and prevents it from collapsing."
✓ Grammatically correct
News & Media
Science
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
59 human-written examples
But it sustains its love affair with hysteria even as its subject's serious work begins.
News & Media
But the reason this musical may get closer than any other Fringe production has since the 1999 "Urinetown" is how it sustains its satirical style.
News & Media
Biologically it sustains life, yet its psychological counterpart is at the core of our emotion and of our humanity.
News & Media
A sustainment support battalion does just that -- it sustains and supports the troops.
News & Media
It sustains and rallies people.
News & Media
It sustains us.
News & Media
"It sustains you".
News & Media
Critics of investment say it sustains apartheid.
News & Media
It sustains my mind and my writing".
News & Media
"It uses energy, it sustains itself and it replicates".
News & Media
It sustains 11 national titles, and unusually high readership levels.
News & Media
Expert writing Tips
Best practice
When using "it sustains", ensure the subject and object are clearly defined to avoid ambiguity. For instance, "The river it sustains provides water for the entire region."
Common error
Avoid overusing "it sustains" in contexts where a more specific verb would be appropriate. For example, instead of "The policy it sustains is flawed", consider "The policy it enables/promotes is flawed".
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it sustains" primarily functions as a verb phrase where 'it' acts as a pronoun subject and 'sustains' acts as a transitive verb. This construction indicates that 'it' provides support, maintenance, or continuation to something else. Ludwig AI confirms its correct usage.
Frequent in
News & Media
51%
Science
30%
Encyclopedias
3%
Less common in
Formal & Business
6%
Reference
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "it sustains" functions as a verb phrase indicating support or maintenance provided by a subject, typically 'it', to an object. According to Ludwig AI, the phrase is grammatically sound and widely used. Its communicative purpose is to assert active support, maintenance, or prolongation, frequently observed across news, scientific, and formal business contexts. While alternatives such as "it maintains" or "it supports" exist, choosing "it sustains" emphasizes continuous or ongoing support. Common errors include overuse in situations demanding more specific verbs. Practical usage involves ensuring clear subject and object definitions to prevent ambiguity. Source analysis reveals its prevalence in reputable sources like The New York Times and The Guardian, reinforcing its reliability and correctness.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it maintains
Focuses on preserving the current state, slightly different from continuously providing support.
it supports
Highlights the act of providing assistance or bearing weight, with a more general scope.
it upholds
Emphasizes the act of defending or preserving a principle or decision.
it preserves
Stresses the act of keeping something intact or preventing it from decaying.
it continues
Focuses on the uninterrupted progression of something over time.
it fuels
Highlights the provision of energy or impetus for ongoing activity or growth.
it nourishes
Emphasizes the provision of essential elements for growth and health.
it underpins
Focuses on providing a foundational support or basis for something.
it fortifies
Implies strengthening or reinforcing something against potential threats.
it buoys
Suggests lifting or supporting something to keep it afloat, both literally and figuratively.
FAQs
How can I use "it sustains" in a sentence?
Use "it sustains" to describe something that supports or maintains something else. For example, "The budget it sustains allows for continued research funding."
What are some alternatives to "it sustains"?
You can use alternatives like "it maintains", "it supports", or "it preserves" depending on the specific context.
Is it correct to say "it sustains itself"?
Yes, "it sustains itself" is grammatically correct and means that something is capable of maintaining its own existence or functionality without external help. The search results confirm the usage of such phrases.
What's the difference between "it sustains" and "it supports"?
"It sustains" implies continuous support over a period, while "it supports" can refer to a more immediate or general form of assistance. For example, "The organization it sustains has existed for 30 years" indicates longer term support, while supporting something could be a one-off event.
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested