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
I sustained that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I sustained that" is grammatically correct but may not be commonly used in written English.
It can be used when referring to maintaining or continuing a particular state, belief, or action over time. Example: "Despite the challenges, I sustained that belief in our team's potential to succeed."
✓ 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
1 human-written examples
Despite the best efforts of a bank that occasionally didn't pay the standing order and didn't see fit to tell me (take a bow, Cater Allen Private Bank), I sustained that level of contribution until this summer.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Even on the days I don't feel great, I'm throwing 92-plus, and I know I can sustain that endurance and let it go and have that at the 130-pitch mark.
News & Media
"We were up for it tonight - we played some good football and I was delighted that we sustained that," he told BBC Sport.
News & Media
I sustain that above-ground mortuary structures reflected a growing concern for territorial behaviors during the LIP that allowed household members, kinship groups and/or political units, according to varying contexts, to draw social boundaries between insiders and outsiders by reifying identity and social solidarity through ancestors worship.
"There is some pain there on certain things that I do, but I can sustain that pain.
News & Media
I do not think I can sustain that argument.
News & Media
It also compounded the reasons why I wasn't going to continue acting - because I don't know that I could sustain that conviction all the time.
News & Media
This was not a reflection on the course; I just didn't see how I could sustain that level of intensity and introspection.
News & Media
The House vote sustained that view.
News & Media
(If only the entire movie sustained that level of inspiration).
News & Media
I knew I couldn't sustain that giddy level of success, so I became a writer.
News & Media
Expert writing Tips
Best practice
Use "I sustained that" when you want to emphasize the continuation of an action, belief, or state despite potential challenges or obstacles. This phrase is effective in formal writing when conveying resilience.
Common error
Avoid using "I sustained that" in casual conversation or informal writing. Opt for simpler alternatives like "I kept that up" or "I continued with that" to maintain a natural tone.
Source & Trust
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I sustained that" functions as a declarative statement where the speaker asserts that they continued or maintained a specific action, belief, or state. This construction implies a conscious effort to uphold something, as seen in the example provided by Ludwig.
Frequent in
News & Media
50%
Science
25%
Formal & Business
10%
Less common in
Wiki
5%
Encyclopedias
5%
Reference
5%
Ludwig's WRAP-UP
In summary, the phrase "I sustained that" is a grammatically correct expression used to convey the continuation of an action, belief, or state, often implying resilience in the face of challenges. As Ludwig AI points out, while grammatically sound, its usage is relatively rare, leaning towards formal contexts. Alternatives such as "I maintained that" or "I upheld that" may be used depending on the specific nuance desired. Although, there's limited evidence of usage in this specific form, its construction is valid and understandable, making it suitable for conveying determination and persistence in writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
I maintained that
Replaces "sustained" with "maintained", emphasizing the act of upholding or continuing a belief or action.
I upheld that
Uses "upheld" instead of "sustained", highlighting the act of defending or supporting a principle or decision.
I supported that
Substitutes "sustained" with "supported", focusing on providing assistance or endorsement to something.
I continued with that
Emphasizes the ongoing nature of an action or belief, replacing "sustained" with a more direct expression of continuation.
I persisted with that
Highlights the effort and determination in maintaining something, suggesting a challenge was overcome.
I preserved that
Focuses on the act of keeping something intact or unchanged over time, implying a deliberate effort to protect it.
I kept that up
Uses a more informal expression to convey the idea of continuing an action or behavior.
I endured that
Implies experiencing and withstanding hardship while maintaining something.
I stood by that
Focuses on remaining firm and unwavering in one's support or belief, even in the face of opposition.
I carried on with that
Suggests continuing something despite potential difficulties or obstacles.
FAQs
What does "I sustained that" mean?
The phrase "I sustained that" means that the speaker continued or maintained a particular action, belief, or condition. It implies a level of effort or persistence in upholding something over time.
What can I say instead of "I sustained that"?
You can use alternatives like "I maintained that", "I upheld that", or "I supported that" depending on the context.
Is "I sustained that" formal or informal?
The phrase "I sustained that" leans towards being more formal. In informal contexts, simpler alternatives might be more appropriate, such as "I kept that up".
How is "I sustained that" different from "I maintained that"?
While both phrases indicate continuing something, "sustained" often implies enduring or withstanding challenges, whereas "maintained" suggests keeping something at a consistent level or standard.
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
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested