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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
must hold
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "must hold" is correct and usable in written English.
It can be used to indicate that something is required or necessary to be true or valid in a given context. Example: "For the theory to be valid, the following conditions must hold: consistency, completeness, and soundness."
✓ Grammatically correct
News & Media
Science
Formal & Business
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
The centre must hold.
News & Media
We must hold on.
News & Media
We must hold him accountable".
News & Media
We must hold schools accountable.
News & Media
The administration must hold its ground.
News & Media
Mr. Holder must hold the line.
News & Media
She must hold to this.
News & Media
I believe we must hold firm.
News & Media
Congress must hold her to this promise.
News & Media
We must hold them to account".
News & Media
Applicants must hold a non-tenured position.
Science & Research
Expert writing Tips
Best practice
Consider the tone and audience. While "must hold" conveys authority, adjust your word choice depending on whether the context is formal or informal.
Common error
Avoid using "must hold" in casual conversation or informal writing, as it can sound overly formal or assertive. Opt for milder alternatives like "should keep" or "need to maintain" in such situations.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "must hold" functions primarily as a modal verb construction expressing obligation, necessity, or requirement. As confirmed by Ludwig, it indicates that something is essential or mandatory in a given context.
Frequent in
News & Media
40%
Science
35%
Formal & Business
15%
Less common in
Encyclopedias
2%
Wiki
2%
Reference
6%
Ludwig's WRAP-UP
The phrase "must hold" is a versatile expression that signifies a strong necessity, obligation, or requirement. Ludwig confirms its grammatical correctness and wide applicability across various contexts. It is frequently employed in news, science, and formal business settings to convey that something is essential and must be maintained. While it carries an assertive tone, writers should consider the audience and context to ensure appropriate use. When formality is not a concern, alternatives such as "is required to maintain" or "needs to preserve" can be used to soften the expression while retaining its core meaning.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
must continue to have
Explicitly states the need for continued possession.
is required to maintain
Emphasizes the obligatory aspect of maintaining a certain condition.
has to keep
Implies a strong necessity to continue possessing something.
needs to preserve
Highlights the necessity of keeping something intact.
is crucial to sustain
Highlights the critical need to keep something going.
is bound to keep
Indicates a commitment or duty to continue.
is essential to uphold
Emphasizes the importance of maintaining something.
needs to stand firm
Focuses on resisting pressure to change a position or belief.
is obligated to retain
Focuses on the formal obligation to keep something.
should maintain
Suggests a recommendation to uphold a certain standard.
FAQs
How can I use "must hold" in a sentence?
The phrase "must hold" is used to indicate something is required or necessary to be true or valid. For example, "For the theory to be valid, the following conditions "must hold": consistency, completeness, and soundness".
What are some alternatives to "must hold"?
Depending on the context, you can use alternatives such as "is required to maintain", "needs to preserve", or "should maintain" to express a similar meaning, while slightly altering the tone or emphasis.
When is it appropriate to use "must hold" in writing?
It is appropriate to use "must hold" in formal writing, legal documents, or technical contexts where a strong sense of obligation or necessity needs to be conveyed. In less formal contexts, consider using alternatives to soften the tone.
What's the difference between "must hold" and "should hold"?
"Must hold" implies a strict requirement or obligation, whereas "should hold" suggests a recommendation or expectation. The former is stronger and leaves less room for deviation.
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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