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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
which is that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "which is that" is correct and can be used in written English.
It is used to introduce a direct quotation, usually in conversation. For example: He said that he would be willing to help, which is that "I'm happy to do whatever I can to assist with the project".
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
that is to say
namely
in other words
what I'm saying is
what this means is
that means
put another way
the point is
specifically
which encompasses that
which believes that
which incorporates that
which contributes that
which characterizes that
which describes that
which enables that
which information that
which formed that
which indicated that
which stated that
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
ATKINS -- It's that enthusiasm, which is that thing about America.
News & Media
None questioned the essential premise of the report, which is that numbers matter.
News & Media
But they're very good students of what they've been taught, which is that men make knowledge.
News & Media
The point of all of which is that jewelry is never an investment.
News & Media
STRP's exhibition presented nine of his intriguing works, one of which is that nightmare above.
News & Media
It's also in keeping with a central tenet of acupuncture, which is that change is good.
News & Media
This title highlights the recurring theme in all defence theories, which is that defence is costly.
Science
Best of which is that it's cheaper.
News & Media
"Which is that you haven't a clue".
News & Media
KGM: Which is that there's no relationship.
News & Media
Which is? "That there are too many immigrants".
News & Media
Expert writing Tips
Best practice
Ensure the clause following "which is that" directly relates to and clarifies the preceding statement. Avoid using it to introduce unrelated or tangential information.
Common error
Avoid using "which is that" to introduce information that doesn't directly clarify the preceding statement. This can lead to confusion and disrupt the flow of your writing. Ensure a clear and logical connection between the two clauses.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "which is that" functions as a connector, specifically used to introduce a clause that explains or clarifies a previous statement. It serves to provide additional information, definition, or context, as seen in Ludwig's examples.
Frequent in
News & Media
68%
Science
12%
Formal & Business
7%
Less common in
Reference
5%
Wiki
4%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "which is that" is a grammatically correct connector used to introduce explanatory clauses. Ludwig AI confirms its proper use in written English. It is most commonly found in news and media contexts, serving to clarify preceding statements and enhance understanding. While versatile, it's important to use it judiciously to avoid redundancy or introducing unrelated information. Alternatives such as "that is to say" or "namely" can be considered for stylistic variation. Overall, "which is that" is a valuable tool for clear and effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
in other words
Provides an alternative way to rephrase something for clarity.
that is to mean
Similar to "that is to say", but emphasizes the intended meaning.
that is to say
Replaces "which is" with a more direct introductory phrase.
what I'm saying is
Clarifies the speaker's intended message or argument.
what this means is
Draws attention to the significance of the subsequent explanation.
that means
Focuses on the implication or consequence of a statement.
put another way
Suggests a different perspective or phrasing of the same idea.
the point is
Emphasizes the central or most important aspect of a statement.
namely
Offers a more concise way to introduce specific details or examples.
specifically
Highlights a particular aspect or detail.
FAQs
How can I use "which is that" in a sentence?
The phrase "which is that" is used to introduce a clarification or explanation of a preceding statement. For example, "The main problem is funding, which is that without enough money, the project can't move forward."
What are some alternatives to using "which is that"?
You can use alternatives like "that is to say", "namely", or "in other words" depending on the context.
Is it always necessary to use "that" after "which is"?
While grammatically correct, the use of "that" after "which is" isn't always necessary. Omitting "that" can sometimes make the sentence flow more smoothly, but including it adds emphasis to the explanation.
What is the difference between "which is" and "which is that"?
The phrase "which is that" is used to introduce a more detailed explanation or restatement, whereas "which is" can simply add descriptive information. Compare: "The car, which is red, is fast" versus "The problem, which is that it won't start, is a major concern".
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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