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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
what is necessary
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "what is necessary" is correct and usable in written English.
You can use it to refer to an action or object that is essential for achieving a desired outcome. For example: "We must determine what is necessary to complete this project by the deadline."
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(20)
what is essential
what is required
what is fundamental
what is suitable
what is requisite
what is vital
what is adequate
what is paramount
the crucial factor
what is important
what is prior
what is bravery
what is desired
the only solution
what is needed
the key requirement
what is need
the main priority
what is useful
what is applicable
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
They do what is necessary.
News & Media
What is necessary is salesmanship.
News & Media
What is necessary will be done".
News & Media
People buy only what is necessary.
News & Media
"What is necessary, I'll do," he added.
News & Media
We will only do what is necessary".
News & Media
And that's what is necessary to translate".
News & Media
"Patience is what is necessary," she said.
News & Media
"We have to do what is necessary.
News & Media
I just focus on what is necessary".
News & Media
What is necessary, he said, is enthusiasm.
News & Media
Expert writing Tips
Best practice
When using "what is necessary", ensure the context clearly defines the goal or outcome for which the action or item is essential.
Common error
Avoid using "what is necessary" in vague contexts. Instead, explicitly state the purpose or goal for which something is deemed necessary to provide clarity and avoid ambiguity.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "what is necessary" functions as a noun clause, often serving as the subject or object of a sentence. It refers to the essential actions, resources, or conditions needed to achieve a specific outcome. Ludwig confirms its grammatical correctness.
Frequent in
News & Media
36%
Science
33%
Academia
10%
Less common in
Encyclopedias
3%
Wiki
3%
Formal & Business
1%
Ludwig's WRAP-UP
The phrase "what is necessary" is a versatile and grammatically sound expression used to emphasize essential actions or resources needed for a specific goal. As Ludwig confirms, its ubiquitous presence across various contexts—from news and science to academia—underscores its broad applicability. When using "what is necessary", ensure the context clearly defines the goal to avoid ambiguity, as it functions as a noun clause, highlighting the crucial elements for success. Alternatives such as "what's required" or "what is essential" can provide nuanced variations in meaning. Overall, "what is necessary" remains a strong choice for conveying importance and driving action.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
what's required
Replaces "necessary" with "required", emphasizing the obligatory nature.
what is essential
Substitutes "necessary" with "essential", highlighting fundamental importance.
what's indispensable
Replaces "necessary" with "indispensable", conveying that something is crucial and cannot be done without.
what is needed
Replaces "necessary" with "needed", focusing on a current requirement.
what is requisite
Replaces "necessary" with "requisite", suggesting something is officially required.
what's crucial
Substitutes "necessary" with "crucial", emphasizing the importance of something to the success or failure of something else.
what is vital
Replaces "necessary" with "vital", highlighting that something is critical for the continued existence or operation of something.
what is paramount
Replaces "necessary" with "paramount", conveying something is of the highest importance.
what is unavoidable
Substitutes "necessary" with "unavoidable", suggesting something cannot be prevented.
what is imperative
Replaces "necessary" with "imperative", indicating that something is urgently important or essential.
FAQs
How can I use "what is necessary" in a sentence?
You can use "what is necessary" to describe actions or items essential for achieving a specific goal. For instance, "We need to determine what is necessary to complete the project on time".
What are some alternatives to "what is necessary"?
Alternatives include "what's required", "what is essential", or "what is needed", depending on the specific context.
Is it correct to say "that what is necessary"?
While grammatically sound, using "that what is necessary" can sound redundant. It is often more concise and clear to simply use "what is necessary".
In what contexts is "what is necessary" most appropriate?
The phrase "what is necessary" is suitable in formal, neutral and informal contexts when describing essential actions, resources or conditions. Its appropriate spans across different kinds of content, as Ludwig confirms.
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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