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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
four that are
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "four that are" is correct and usable in written English.
It can be used when specifying a quantity and describing a particular group or category of items or individuals. Example: "There are four that are essential for completing the project successfully."
✓ Grammatically correct
News & Media
Science
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
53 human-written examples
Are they the four that are the primary ones?
News & Media
Here are four that are succeeding.
News & Media
Three tubes of chemicals and four that are flush.
News & Media
The four that are in red squares represent active chemical munitions bunkers.
News & Media
The company has 41 tariffs altogether, including four that are available to new customers.
News & Media
There are nine tennis courts, including four that are lit for night games, and a tennis camp.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
7 human-written examples
A carriage horse, of course, any one of the two hundred and four that are licensed to work (if the temperature is between twenty and ninety degrees) in New York City.
News & Media
Here are seven that are particularly helpful.
News & Media
"And seven that aren't grafted".
News & Media
Comparative analysis of the recently sequenced genomes of the isolates VdLs.17 (33.8 Mb) and VaMs.102 (32.8 Mb), showed that they are 97% identical and that VdLs.17 contains regions in chromosomes three and four that are not present in the Va isolate [ 2].
Science
Five until eight — that is an eternity!
News & Media
Expert writing Tips
Best practice
When using "four that are", ensure that the context clearly defines the larger group from which these four are selected. This avoids ambiguity and makes your writing more precise.
Common error
Avoid using "four that are" without clearly specifying the total number or group. For example, instead of saying 'Four that are available', specify 'Four of the ten options that are available'.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "four that are" functions as a quantifier followed by a relative clause. It specifies a subset of four items or individuals selected from a larger group based on a particular attribute or condition. Ludwig confirms its correct and usable nature.
Frequent in
News & Media
60%
Science
20%
Wiki
10%
Less common in
Formal & Business
5%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
The phrase "four that are" is a grammatically sound and frequently employed construction used to specify a subset of four items from a larger group, as confirmed by Ludwig. It is commonly found in news, scientific, and general contexts, serving to quantify and highlight specific elements based on shared attributes. While "four which are" is a slightly more formal alternative, it is important to ensure clarity by explicitly defining the larger group from which these four are selected. Usage examples demonstrate its versatility and correctness across a range of authoritative sources.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
four which are
Replaces "that" with "which", offering a slightly more formal tone.
four of them that are
Adds "of them" for emphasis on the selection from a group.
four being
Shortens the phrase, implying existence or state.
four that exist
Emphasizes the existence of the four items.
four currently
Highlights the present state of the four items.
four available
Focuses on the availability of the four items.
four included
Specifies that the four items are part of a larger set.
four present
Indicates the presence of the four items.
a quartet that are
Uses "quartet" to refer to a group of four, maintaining the rest of the phrase.
four in number which are
Rephrases to emphasize the quantity and relation of the four.
FAQs
How can I use "four that are" in a sentence?
Use "four that are" to specify a subset of four items or individuals sharing a characteristic from a larger group. For example: "There are ten applicants, but only "four that are" qualified for the position."
What can I say instead of "four that are"?
You can use alternatives such as "four which are", "four of them that are", or simply "four available" depending on the context.
Is it grammatically correct to say "four that are"?
Yes, it is grammatically correct. The phrase "four that are" is a valid construction used to specify a quantity from a larger set. It's commonly used and accepted in both formal and informal contexts.
What's the difference between "four that are" and "four which are"?
While both phrases are grammatically correct and largely interchangeable, "four which are" tends to be slightly more formal than ""four that are"". The choice depends on the desired tone and style of your writing.
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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
4.6/5
Expert rating
Real-world application tested