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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
that be necessary
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that be necessary" is not correct in standard written English.
It is an archaic or dialectal form that may be found in older texts or specific regional dialects, but it is not commonly used in contemporary English. Example: "If that be necessary, we shall proceed with the plan."
⚠ May contain grammatical issues
News & Media
Wiki
Science
Alternative expressions(3)
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
13 human-written examples
The taoiseach added "I have no objection to extending the time again tonight, if that be necessary.
News & Media
That means, under the regulations, the driver must slow down to such a speed that he can stop immediately should that be necessary.
News & Media
"Arrangements are in place for the prime minister to chair a meeting of Cobra tomorrow morning from the Hague, should that be necessary," the prime minister's spokesman said.
News & Media
The fast-moving Marine forces, expected to flow in from the south with troops trained in urban combat procedures, would also join Army forces to lay siege and attack Baghdad should that be necessary.
News & Media
"The tube runs up until midnight, and we did have plans in place to run the Piccadilly line into west London should that be necessary, but it does not appear, according to the Department for Transport, that there will be large numbers of people arriving overnight".
News & Media
All Uber's test vehicles include a human driver sitting in the driver's seat so they are in a position to take over driving should that be necessary.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
42 human-written examples
(As if that were necessary).
News & Media
"It's something that's necessary," Mr. Neidl said.
News & Media
"We are doing all the checking that is necessary".
News & Media
It should be about retention that is necessary and proportionate.
News & Media
We've been doing the research that's necessary.
News & Media
Expert writing Tips
Best practice
When writing, prefer the modern form "that is necessary" or "that's necessary" unless you are intentionally aiming for an archaic or dialectal style.
Common error
Avoid using the phrase "that be necessary" in contemporary writing unless you're recreating a historical or regional dialect. Modern readers may find it unnatural or confusing.
Source & Trust
84%
Authority and reliability
3.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that be necessary" functions as a conditional clause, indicating a requirement or condition that needs to be met. Ludwig AI points out that it's an archaic form.
Frequent in
News & Media
54%
Wiki
23%
Science
8%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "that be necessary" is an archaic or dialectal form that is generally considered grammatically incorrect in modern standard English. Ludwig AI confirms this assessment. While it appears in various sources such as news articles, wikis, and scientific publications, it's advisable to use modern alternatives like "that is necessary" or "that's necessary" for clarity and correctness in most contexts. Its usage is primarily informal and should be avoided in professional or academic writing unless aiming for a specific stylistic effect. When used, be mindful that contemporary usage might require a different wording like "that is necessary".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that is necessary
Replaces the archaic "be" with the standard "is", making it grammatically correct.
that's necessary
A contraction of "that is necessary", maintaining the core meaning with a slightly more informal tone.
that may be necessary
Adds a degree of uncertainty or possibility to the necessity.
if that's required
Uses "required" instead of "necessary", implying a condition or stipulation.
should that be needed
Emphasizes the contingency of the necessity, using "needed" as an alternative.
if that proves necessary
Focuses on the outcome or verification of the necessity.
in the event that's necessary
Introduces a more formal tone, highlighting a conditional necessity.
when that becomes necessary
Indicates a timing aspect to the necessity, focusing on when it arises.
assuming that's necessary
Implies a presumption or initial belief in the necessity.
to the extent that is necessary
Specifies the degree or limit of the necessity.
FAQs
Is "that be necessary" grammatically correct?
No, "that be necessary" is not considered grammatically correct in modern standard English. The correct form is "that is necessary" or "that's necessary".
When is it appropriate to use "that be necessary"?
The phrase "that be necessary" is appropriate only when trying to emulate archaic language or a specific regional dialect. In most contemporary contexts, it sounds out of place.
What are some alternatives to "that be necessary"?
Alternatives include "that is necessary", "that's necessary", or "if required", depending on the context. These options are more commonly used and understood.
How does "that be necessary" differ from "that is necessary"?
"That be necessary" uses an older form of the verb "to be". "That is necessary" is the standard, grammatically correct way to express the same idea in modern English.
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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
3.2/5
Expert rating
Real-world application tested