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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
is necessary
Grammar usage guide and real-world examplesUSAGE SUMMARY
'is necessary' is correct and usable in written English.
You can use it when you want to state something is required or essential. Example: Eating a balanced diet is necessary for a healthy lifestyle.
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(20)
is already finalized
will be considered
has been transported
is on track to be finalized
will present
has been honored
had been completed
has now ended
has successfully preserved
is going to be presented
will be revised
has been deteriorated
will be permitted
is predicated
will be handed in
has been redeployed
is arranged for
has been executed
will be disseminating
will be followed
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
No equipment is necessary.
News & Media
So it is necessary.
News & Media
And progress is necessary.
News & Media
No conviction is necessary.
News & Media
Yet it is necessary.
News & Media
But this is necessary".
News & Media
Public advocacy is necessary".
News & Media
Boredom is necessary.
News & Media
An apology is necessary".
News & Media
No purchase is necessary.
News & Media
Such vagueness is necessary.
News & Media
Expert writing Tips
Best practice
When using "is necessary", ensure the context clearly indicates what depends on the necessary element. For instance, specify 'Exercise is necessary for good health' to clarify the outcome.
Common error
Avoid using "is necessary" without specifying what requires it. Saying 'Action is necessary' is less effective than 'Immediate action is necessary to prevent further damage'.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is necessary" functions as a linking verb phrase, connecting a subject to a predicate adjective. Ludwig shows that it asserts a requirement or essential condition. The adjective 'necessary' modifies the subject, indicating its indispensable nature.
Frequent in
News & Media
53%
Wiki
25%
Science
6%
Less common in
Formal & Business
3%
Reference
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "is necessary" is a common and grammatically sound way to express that something is required or essential. It is used across a wide range of contexts, from news and media to scientific and technical writing. As Ludwig AI confirms, it is usable in written English. For best results, ensure that the context clearly indicates what the necessity relates to. Although it can be seen as interchangeable with "is required" and "is essential", remember that it is less informal than similar sentences such as "is a must".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is required
Uses a different verb to express the need for something.
is essential
Emphasizes the importance of something, making it indispensable.
is vital
Stresses the critical importance of something.
is indispensable
Highlights that something is absolutely essential.
is crucial
Indicates a decisive or critical importance.
is mandatory
Implies a rule or obligation that cannot be avoided.
is obligatory
Similar to mandatory, indicating a formal requirement.
is imperative
Conveys a sense of urgency and critical importance.
cannot be avoided
Focuses on the inevitability of the action or item.
is a must
An informal way of saying something is absolutely necessary.
FAQs
How can I use "is necessary" in a sentence?
Use "is necessary" to indicate that something is required or essential. For example, 'Watering the plants is necessary for their growth' or 'A valid passport is necessary for international travel'.
What are some alternatives to "is necessary"?
You can use alternatives like "is required", "is essential", or "is vital" to express a similar meaning.
Is it better to say "is necessary" or "is needed"?
Both "is necessary" and "is needed" are correct, but "is necessary" often implies a greater degree of importance or formality. "Water is needed" is generally acceptable, but "strict adherence to the rules is necessary" sounds more formal.
What's the difference between "is necessary" and "is important"?
"Is important" signifies something has value or significance, while "is necessary" means something is required or essential for a specific purpose or outcome. Something can be important without being strictly necessary, and vice versa.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested