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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
this is
Grammar usage guide and real-world examplesUSAGE SUMMARY
"this is" is a correct and usable phrase in written English.
You can use it to introduce a statement or to indicate that what follows is an explanation or an example of something. Example: This is what I meant when I said that change is necessary.
✓ Grammatically correct
News & Media
Academia
Wiki
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
This is, wow, this is practically backwards.
News & Media
"This is healthy, this is good.
News & Media
"This is India, this is the reality.
News & Media
This is not theory — this is practice".
News & Media
This is frontal and this is insular.
News & Media
This is going through, this is done.
News & Media
This is nonsense, this is propaganda.
News & Media
"This is common sense, this is evidence.
News & Media
This is not what this is about".
News & Media
This is — this is what happens.
News & Media
This is not "criticism", this is obsession.
News & Media
Expert writing Tips
Best practice
Use "this is" to clearly introduce definitions, examples, or explanations to ensure clarity for your audience.
Common error
Avoid starting too many consecutive sentences with "this is", as it can make your writing sound repetitive and simplistic. Vary your sentence structure for a more engaging and sophisticated style.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "this is" functions primarily as a declarative expression, serving to introduce, identify, or define something. As Ludwig AI confirms, it's a standard and usable phrase for making statements.
Frequent in
News & Media
62%
Wiki
17%
Academia
5%
Less common in
Formal & Business
2%
Science
2%
Reference
0%
Ludwig's WRAP-UP
In summary, "this is" is a ubiquitous and grammatically sound phrase in the English language. As Ludwig AI indicates, it serves to introduce, define, or explain. While versatile across various contexts, including news, academia, and informal communication, it's essential to avoid overuse for a more sophisticated writing style. Consider related phrases like "here is" or "that is" for subtle variations in meaning.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
here is
Emphasizes the presentation or offering of something, similar to "this is" but with a focus on direct presentation.
that is
Indicates clarification or definition, subtly different from "this is" which introduces.
it is
More general and can refer to something already mentioned, unlike "this is" which often introduces something new.
the following is
More formal way to introduce a list or explanation, differing in formality from "this is".
what we have here is
Emphasizes a current situation or item at hand, adding a sense of immediacy.
this signifies
Highlights the meaning or implication of something, rather than simply identifying it.
consider this
Invites the listener to reflect on what is about to be presented, adding an element of contemplation.
note that
Draws attention to a specific detail or piece of information, shifting the focus to importance.
you should know
Highlights that the following information is important for the listener to know.
for instance
Introduces an example to illustrate a point, adding specificity to the general statement.
FAQs
How to use "this is" in a sentence?
"This is" is used to introduce or identify something. For example, "This is my friend, John" or "This is an example of how to use the phrase".
What can I say instead of "this is"?
When is it appropriate to use "this is" in formal writing?
"This is" is generally suitable for all types of writing, but in very formal contexts, consider alternatives like "the following is" for a more sophisticated tone.
How does "this is" differ from "it is"?
"This is" typically introduces something new or specific, while "it is" refers back to something already mentioned. For example, "This is a new concept. It is important to understand it".
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested