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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
sustain that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "sustain that" is correct and usable in written English.
You can use it to express the idea that something is true or can be supported or justified. For example: "I'm sure we can sustain that our proposal will have a positive impact on the local economy."
✓ Grammatically correct
News & Media
Science
Alternative expressions(8)
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
"You couldn't sustain that".
News & Media
But he could not sustain that form.
News & Media
The market can sustain that".
News & Media
We could not sustain that".
News & Media
How can we sustain that?
News & Media
We have to sustain that momentum".
News & Media
It's very difficult to sustain that".
News & Media
And I ask you to sustain that hope.
News & Media
This planet cannot sustain that mode of life," Chavez said.
News & Media
We simply can't sustain that sort of growth.
News & Media
It's not possible to sustain that myth anymore".
News & Media
Expert writing Tips
Best practice
Use "sustain that" when you want to emphasize the continuation or maintenance of a specific condition, belief, or action. Ensure that the context clearly indicates what "that" refers to for clarity.
Common error
Avoid using "sustain that" when the referent of "that" is ambiguous or unclear. Always ensure the reader can easily identify what is being sustained to prevent confusion.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "sustain that" is a verb phrase acting as a transitive verb with a pronoun as its direct object. It expresses the act of maintaining or prolonging something previously mentioned or implied. Ludwig AI confirms its correct usage.
Frequent in
News & Media
70%
Science
15%
Formal & Business
5%
Less common in
Encyclopedias
3%
Wiki
2%
Reference
5%
Ludwig's WRAP-UP
The phrase "sustain that" is a grammatically sound and frequently used expression for emphasizing the continuation or support of something. Ludwig AI analysis confirms its correctness and wide applicability across various contexts. Predominantly found in "News & Media", it also sees use in "Science" and "Formal & Business" settings. To ensure clarity, always make sure that "that" refers to a specific and easily identifiable element in your writing. Alternatives like "maintain that" or "support that" can offer nuanced variations, but the core meaning remains consistent: maintaining or prolonging a particular state, belief, or action.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
maintain that
Focuses on continuing to believe or assert something, rather than just supporting it.
uphold that
Implies actively defending or supporting something, often in the face of opposition.
support that
Emphasizes providing assistance or justification to keep something going.
continue that
Highlights the uninterrupted progression of something, without necessarily implying active support.
preserve that
Stresses the importance of keeping something in its original condition, often against forces of change.
retain that
Focuses on keeping possession of something, whether it is a belief, an ability, or a condition.
bolster that
Suggests strengthening or reinforcing something to ensure its continuation.
perpetuate that
Implies making something continue indefinitely, often referring to ideas or systems.
conserve that
Highlights the careful and efficient use of resources to ensure long-term availability or continuation.
nurture that
Suggests providing care and attention to help something grow or continue to thrive.
FAQs
How can I use "sustain that" in a sentence?
You can use "sustain that" to indicate the continuation or support of a particular state, belief, or action. For instance, "We must "sustain that" momentum to achieve our goals".
What are some alternatives to "sustain that"?
Alternatives include "maintain that", "uphold that", or "support that", depending on the specific nuance you want to convey.
Is it grammatically correct to say "sustain that"?
Yes, "sustain that" is grammatically correct and commonly used. It follows standard English grammar rules when used to refer to a previously mentioned idea, action, or state.
In what contexts is "sustain that" most appropriate?
"Sustain that" is suitable in various contexts, including formal discussions, news reports, and academic writing, where the goal is to emphasize the need to continue or support something. It's particularly useful when you want to ensure something is maintained or prolonged.
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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
4.5/5
Expert rating
Real-world application tested