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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
must be signed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "must be signed" is correct and usable in written English.
It can be used to indicate that a signature is required for a document or agreement to be valid or official. Example: "To finalize the contract, it must be signed by both parties."
✓ Grammatically correct
News & Media
Science
Wiki
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
Liability waiver must be signed first.
News & Media
The bill must be signed by the president.
News & Media
Peca and Yashin must be signed to contracts.
News & Media
Petitions must be signed in a very short time.
News & Media
That formula must be signed by all three governors.
News & Media
When that ends, he must be signed for the rest of the season.
News & Media
When that ends, he must be signed for the rest of the season or released.
News & Media
All submissions must be signed, double-spaced, typed legibly, and encrypted in Linear B cuneiform.
News & Media
Both bills must be signed by Gov. Jack Dalrymple, a Republican, to become law.
News & Media
Each time the waste changes hands, a copy of the manifest must be signed.
Encyclopedias
The lease must be signed no later than Dec. 31, 2004.
News & Media
Expert writing Tips
Best practice
When indicating a legal or formal requirement, use "must be signed" to clearly convey the necessity of a signature for validity.
Common error
Avoid using "should be signed" when "must be signed" is more appropriate. "Should" suggests a recommendation, while "must" indicates a requirement.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "must be signed" functions as a passive construction indicating a requirement. Ludwig provides numerous examples across various domains where this phrase is used to convey that a signature is mandatory for a document or agreement to be valid or complete.
Frequent in
News & Media
32%
Science
28%
Wiki
18%
Less common in
Formal & Business
12%
Encyclopedias
5%
Reference
5%
Ludwig's WRAP-UP
The phrase "must be signed" is a common and grammatically sound way to express the requirement for a signature. Ludwig AI confirms its correctness and provides numerous examples across diverse contexts such as news, science, and general writing. The phrase typically functions to indicate necessity and obligation, and is found in both neutral and formal registers. While alternatives like "needs to be signed" or "has to be signed" exist, "must be signed" is a clear and direct way to convey the mandatory nature of a signature for a document or process to be valid.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
needs to be signed
Replaces "must" with "needs to", softening the obligation slightly.
has to be signed
Substitutes "must" with "has to", maintaining a similar level of necessity.
is required to be signed
Emphasizes the requirement for a signature, adding formality.
should be signed
Replaces "must" with "should", suggesting a recommendation rather than a strict requirement.
is to be signed
Formal phrasing indicating a planned or scheduled signing.
requires a signature
Focuses on the action of signing rather than the state of being signed.
demands a signature
Highlights the imperative nature of the signing, making it seem more urgent.
necessitates a signature
A more formal way of saying a signature is needed.
is essential to sign
Shifts the focus to the act of signing as being essential.
bears the signature
Indicates that the document carries a signature, focusing on the presence of the signature rather than the requirement.
FAQs
How do I use "must be signed" in a sentence?
Use "must be signed" to indicate that a signature is required for a document or agreement to be considered valid or complete. For example, "The contract "must be signed" by both parties before it becomes legally binding."
What can I say instead of "must be signed"?
You can use alternatives such as "needs to be signed", "has to be signed", or "is required to be signed" depending on the level of formality you want to convey. Each alternative offers a slightly different nuance while maintaining the core meaning that a signature is necessary.
Is it acceptable to use "should be signed" instead of "must be signed"?
While "should be signed" is grammatically correct, it implies a recommendation rather than a strict requirement. If a signature is mandatory, ""must be signed"" is the more appropriate and accurate choice.
What is the difference between "must be signed" and "is to be signed"?
"Must be signed" indicates a current requirement, whereas "is to be signed" suggests a future action. "The document "must be signed" today" implies immediate action, while "the document is to be signed tomorrow" schedules the signing for a later time.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested