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
which it is
Grammar usage guide and real-world examplesUSAGE SUMMARY
"which it is" is correct and usable in written English.
You can use the phrase in situations where you are comparing something to an already established idea or if you are referring back to an idea that has been previously mentioned. For example, "This new policy has the potential to benefit everyone, which it is intended to do."
✓ Grammatically correct
News & Media
Science
Wiki
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
60 human-written examples
(Which it is).
News & Media
Which it is, deponent sayeth not.
News & Media
We will soon know which it is.
News & Media
Which it is, actually.
News & Media
Which it is here.
News & Media
— of which it is part.
News & Media
I wonder which it is.
News & Media
Which it is and isn't.
News & Media
We may never know which it is.
News & Media
Which it is doing, to some extent.
News & Media
With which it is hard to argue.
News & Media
Expert writing Tips
Best practice
Use "which it is" to add a clarifying remark or agreement to a previous statement. Make sure the 'it' clearly refers to something already mentioned.
Common error
Avoid using "which it is" when the 'it' could refer to multiple things in the sentence. Ensure clarity by rephrasing to specify the subject.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "which it is" functions as a relative clause, providing additional, non-essential information about a preceding statement. It typically serves to add confirmation, agreement, or clarification. As Ludwig examples show, it's used in various contexts to affirm a previously mentioned point.
Frequent in
News & Media
55%
Science
20%
Wiki
10%
Less common in
Formal & Business
5%
Encyclopedias
5%
Social Media
5%
Ludwig's WRAP-UP
In summary, the phrase "which it is" is a versatile relative clause used for adding clarification or agreement to a preceding statement. Ludwig AI confirms its grammatical correctness, and it appears frequently across diverse contexts, particularly in news, scientific, and wiki-based sources. While generally neutral in register, it's essential to ensure clarity by making sure the 'it' has a clear referent. When aiming for alternative expressions, consider options like "as is the case" or "indeed it is" to convey similar meanings.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
as is the case
Emphasizes the truth or reality of a statement, implying it's a known fact.
it is in fact so
Inverts the structure for emphasis on the truth of the matter.
as is indeed
Adds stronger emphasis on the truth or verification of a statement.
that is the fact
Affirms the statement as a confirmed or established truth.
that is the situation
Directly states the current state or circumstances being referred to.
such is the reality
Highlights the factual or unavoidable nature of a given situation.
this remains the case
Indicates that a previous situation or condition is still valid.
that's how it is
Offers a more casual and accepting tone about the state of affairs.
this holds true
Confirms the validity or applicability of a statement or principle.
such it proves to be
More formal and literary way of stating the outcome or result.
FAQs
How can I use "which it is" in a sentence?
Use "which it is" to add a clarifying remark or agreement to a previous statement. For example, "The policy aims to improve public health, "which it is" designed to do."
What are some alternatives to "which it is"?
Alternatives include phrases like "as is the case", "indeed it is", or "that is the situation", depending on the context and desired emphasis.
Is it always necessary to include "which it is" in a sentence?
No, "which it is" is often used for emphasis or to provide additional context, but it is not always essential. The sentence should still be clear and grammatically sound without it.
What is the difference between "which it is" and "that it is"?
"Which it is" is nonrestrictive, adding extra information. "That it is" is restrictive, essential to the meaning. "Which it is" requires a comma before it, while "that it is" does not.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested