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
that they need
Grammar usage guide and real-world examplesUSAGE SUMMARY
"that they need" is correct and can be used in written English.
It is used to specify what someone or something requires or wants. It can follow a verb or noun in a sentence. Example: The children told their parents that they need a new puppy. In this sentence, "that they need" follows the verb "told" and specifies what the children want, which is a new puppy.
✓ Grammatically correct
News & Media
Academia
Wiki
Alternative expressions(1)
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
For that, they need unions.
News & Media
"To do that, they need resources".
News & Media
"And for that, they need evaluation".
News & Media
To do that, they need to sell stock.
News & Media
And more than that, they need to believe it.
News & Media
And for that, they need to be in Westminster.
News & Media
And for that, they need ad inventory.
News & Media
For that, they need to find some oxygen.
News & Media
For that, they need us.
News & Media
But to do that, they need tools.
News & Media
Not that they need one.
News & Media
Expert writing Tips
Best practice
When using "that they need", ensure the subject and verb agreement are correct. For instance, use "what he needs" for a singular subject and "what they need" for a plural one.
Common error
Be clear about who "they" refers to, especially in complex sentences. Ambiguity can confuse readers about who requires something.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that they need" functions as a relative clause, providing additional information about a noun. It specifies what someone or something requires. This is supported by Ludwig AI, which confirms its correctness.
Frequent in
News & Media
36%
Academia
21%
Wiki
14%
Less common in
Science
13%
Formal & Business
2%
Encyclopedias
1%
Ludwig's WRAP-UP
In summary, the phrase "that they need" is a grammatically sound and frequently used relative clause that expresses a requirement or necessity. Ludwig AI confirms its correctness. It appears across diverse contexts, including news, academic writing, and general communication, with a neutral register. When using this phrase, ensure clarity regarding the subject and maintain subject-verb agreement. Alternative phrases like "what they require" or "what's essential for them" can be used to add variety to your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
what they require
Replaces "need" with a more formal synonym "require".
what is required of them
Emphasizes the obligation or expectation placed on them.
what's essential for them
Uses "essential" to denote crucial elements.
their necessities include
Focuses on listing specific necessities.
the things they must have
Highlights essential items or conditions.
the assistance they demand
Indicates a strong need, possibly urgent.
the support they lack
Focuses on deficiencies and needed support.
the resources allocated to them
Highlights resources specifically assigned.
what benefits them most
Emphasizes advantages and positive outcomes.
their inherent demands
Focuses on inborn or natural needs.
FAQs
How to use "that they need" in a sentence?
Use "that they need" to specify requirements or necessities. For example, "The report highlighted resources "that they need" to succeed".
What can I say instead of "that they need"?
You can use alternatives like "what they require", "what's essential for them", or "the things "they must have"" depending on the context.
Which is correct, "that they need" or "what they need"?
Both "that they need" and "what they need" can be correct, but they function differently. "That they need" introduces a clause, while "what they need" often acts as a noun phrase. For example: "This is "what they need"".
What's the difference between "that they need" and "which they need"?
"That they need" specifies a requirement, while "which they need" adds descriptive information. For example, "The tools "that they need" are expensive" (specification) vs "The tools, "which they need" urgently, are unavailable" (additional description).
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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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested