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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
extended on this
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "extended on this" is not correct in standard written English.
It may be intended to convey the idea of elaborating or expanding on a topic, but the preposition "on" is not appropriate in this context. Example: "I would like to extend my thoughts on this matter further."
⚠ May contain grammatical issues
Science
News & Media
Alternative expressions(5)
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
5 human-written examples
What bothered Dominic Cavendish was Lee's "contempt" for his audience, which extended on this occasion to calling them "stupid Friday-night cunts".
News & Media
The experiments were then extended on this material to examine the effect of varying the applied load and sliding speed on its wear rate.
Science
Chakraborty (1986) extended on this, discussing the importance of using correlation as a measure when investigating a Carter effect.
Science
Dever et al. extended on this by showing that the hyper-recombination observed in BRCT-mutant expressing cells is dependent on BRCA1 ubiquitin ligase activity [ 4].
Science
Sarri and colleagues extended on this to demonstrate that although prism adaptation did not alter patients' perception of chimeric faces it did dramatically improve their awareness of the identity of the left side of non-face objects.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
"They said they were afraid that if we acknowledged an embryo was a human life, that somehow the pro-lifers could extend on this argument and impinge on a woman's right to choose," Mrs. Souza said.
News & Media
Extending on this idea of environmental selection, functional assignments of genes encoded by scaffolds shared across two or more communities yielded 16,056 scaffolds with Enzyme Commission (EC) assignable functions.
Here, our aim was to extend on this work and construct a tricistronic vector with dual optical (firefly luciferase) and nuclear (hNET) in vivo imaging and ex vivo histochemical capabilities.
Science
The HOCTAR method [ 25] extends on this approach by utilising inverse correlations between 178 intragenic human miRNA that are present on the Affymetrix HG-U133 microarray and predicted miRNA gene targets down-regulated following miRNA transfection.
Science
The aim of this study was to extend on this initial development of the ECLiPS to consider what role, if any, the questionnaire could play in the clinical assessment of children referred for suspected APD.
Science
Extending on this idea, dtax (7) assigns low er) values of taxonomic distance to pairs of vertices that are (i) at greater depth in the taxonomy and (ii) they are closer to their LCA.
Expert writing Tips
Best practice
Prefer alternatives like "expanded upon this" or "elaborated on this" for clearer and more standard English. While "extended on this" might be understood, it's not grammatically ideal.
Common error
Avoid using "on" directly after "extended" when referring to elaborating on a topic. Instead, use "upon" or rephrase the sentence to use a different verb.
Source & Trust
80%
Authority and reliability
3.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "extended on this" functions to indicate that something is being further developed or elaborated upon. However, Ludwig AI flags it as not correct in standard written English. Examples show usage in scientific and news contexts, though alternative phrasings are preferable.
Frequent in
Science
60%
News & Media
40%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, while the phrase "extended on this" appears in various contexts, primarily scientific and news-related, Ludwig AI identifies it as not correct in standard written English. It aims to convey the expansion or continuation of a topic. Due to grammatical concerns, it's advisable to opt for alternative phrasings like "expanded upon this" or "elaborated on this" for clearer and more grammatically sound communication. Although the phrase might be understood, these alternatives ensure better adherence to standard English conventions.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
expanded on this idea
More clear alternative, where explicit reference to the idea is made.
expanded upon this
Replaces "extended on" with "expanded upon", providing a more grammatically standard alternative for elaborating on a point.
elaborated on this
Uses "elaborated on" instead of "extended on", emphasizing a detailed explanation.
enlarged upon this
Uses "enlarged upon" offering a formal alternative while emphasizing detail.
built on this
Implies further development based on an existing foundation, swapping "extended on" with "built on".
developed this further
Focuses on the progressive development of the topic, changing the structure of the initial phrase.
amplified this point
Changes the verb to "amplified", emphasizing increased intensity or clarity, and directly mentioning the 'point' being emphasized.
continued from this
Highlights the continuation of a topic, replacing "extended on" with "continued from".
broadened this scope
Shifts the focus to widening the scope of a subject, changing the verb and structure.
added to this
Indicates the addition of new information, which is a simpler formulation than the original phrase.
FAQs
What are some alternatives to "extended on this"?
You can use alternatives such as "expanded upon this", "elaborated on this", or "built on this" depending on the context.
Is "extended on this" grammatically correct?
While sometimes used, "extended on this" is not considered grammatically correct in standard English. It's better to use phrases like "expanded upon this" or "elaborated on this".
How can I use "expanded upon this" in a sentence?
You can use "expanded upon this" to show you are giving more details. Example: "The researcher expanded upon this theory in her later work".
What's the difference between "extended on this" and "expanded on this"?
While both phrases aim to convey the idea of providing more details, "expanded on this" is typically regarded as more grammatically sound. However, "expanded upon this" is even better as the preposition "upon" improves the phrase and makes it more suitable for formal usage.
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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
80%
Authority and reliability
3.2/5
Expert rating
Real-world application tested