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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
necessary of
Grammar usage guide and real-world examplesUSAGE SUMMARY
"necessary of" is not a correct phrase in English.
The correct phrases would be "necessary for" or "necessary to." For example: It is necessary for me to finish this project by the end of the day. It is necessary to take breaks throughout the day if you're feeling overwhelmed.
⚠ May contain grammatical issues
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
"Secrecy is necessary, of course it is.
News & Media
It's also necessary, of course, to sell.
News & Media
Because secrecy is necessary, of course it is.
News & Media
Such investment is necessary, of course, but it isn't sufficient.
News & Media
David had always thought her the dud Hart, the least necessary of the bunch.
News & Media
A linen shirt, for example, is, strictly speaking, not a necessary of life.
News & Media
Custom, in the same manner, has rendered leather shoes a necessary of life in England.
News & Media
Lights, roads, public transport, billboards, noise, enterprise: the good, bad and necessary of urbanisation were here.
News & Media
A linen shirt…is, strictly speaking, not a necessary of life.
Encyclopedias
AI actively seeks the release of political prisoners and the relief, when necessary, of their families.
Encyclopedias
The sciences and other studies that are more lucrative are necessary, of course.
News & Media
Expert writing Tips
Best practice
Always use the correct preposition after "necessary". It is generally "necessary for" when referring to a purpose or benefit, and "necessary to" when referring to an action.
Common error
Avoid using "of" after "necessary". The correct prepositions are "for" or "to", depending on the context. Using "necessary of" is grammatically incorrect.
Source & Trust
60%
Authority and reliability
1.5/5
Expert rating
Real-world application tested
Linguistic Context
"Necessary of" is grammatically incorrect. Standard English dictates the use of "necessary for" or "necessary to", depending on the context. Ludwig AI confirms this error, highlighting the absence of correct usage examples.
Frequent in
Science
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News & Media
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Formal & Business
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Less common in
Science
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News & Media
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Formal & Business
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Ludwig's WRAP-UP
In summary, the phrase "necessary of" is grammatically incorrect and should be avoided in formal writing. Ludwig AI confirms that there are no valid examples of this phrase in standard English. The correct alternatives are "necessary for" and "necessary to", depending on the context. Always ensure that the correct preposition is used to maintain grammatical accuracy.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
necessary for
Replaces 'of' with the correct preposition 'for' to indicate what something is required for.
necessary to
Replaces 'of' with the correct preposition 'to' to indicate what action is required.
essential for
Substitutes "necessary" with "essential", emphasizing the importance of something for a specific purpose.
required for
Uses "required" instead of "necessary", focusing on the mandatory aspect.
needed for
Employs "needed" to highlight the lack or deficiency that necessitates something.
indispensable for
Replaces "necessary" with "indispensable", indicating something is absolutely crucial.
vital for
Uses "vital" to stress the critical importance of something for maintaining life or function.
crucial for
Substitutes "necessary" with "crucial", highlighting a decisive or critical element.
a prerequisite for
Changes the structure to emphasize something as a precondition.
conditional on
Emphasizes that something is only needed based on specific circumstances.
FAQs
How do I use "necessary for" in a sentence?
"Necessary for" is used to indicate what something is required to achieve a certain purpose or maintain a certain state. For example, "Water is "necessary for" survival".
When should I use "necessary to" instead of "necessary for"?
"Necessary to" is used to indicate an action that must be taken or a step that must be performed. For example, "It is "necessary to" complete the application form".
What are some alternatives to saying "necessary for"?
You can use alternatives such as "essential for", "required for", or "vital for", depending on the specific nuance you want to convey.
Is "necessary of" ever correct?
No, "necessary of" is not grammatically correct in standard English. The correct forms are "necessary for" or "necessary to".
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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
60%
Authority and reliability
1.5/5
Expert rating
Real-world application tested