Used and loved by millions
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 verify
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "must verify" is correct and usable in written English.
It can be used when indicating a requirement to confirm or check the accuracy of something. Example: "Before proceeding with the transaction, you must verify your identity."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(20)
must make
waiting to be
waiting to confirm
waiting to ask
significance to confirm
importance to confirm
require confirmation
waiting to come
waiting to deploy
waiting to die
waiting to interrupt
have to ascertain
warranted to confirm
must validate
need to confirm
requirements to confirm
holding out for confirmation
must be satisfied
call to confirm
needs to confirm
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
Election officials must verify the information with state motor vehicle agencies or the Social Security Administration.
News & Media
And under his watch C.E.O.'s must verify their returns and that's good.
News & Media
Every resident must verify income sources and assets annually through bank statements and notarized affidavits.
News & Media
But even without consulting, they would still rely on fees from the companies whose financial statements they must verify.
News & Media
They are sent paperwork to take to their doctor, who must verify their drug or alcohol problem.
News & Media
Before being permitted to list travel items, sellers must verify their company's name, contact information and location with SquareTrade (on the Web at www.squaretrade.com).squaretrade.com
News & Media
There's a great physical comedy interlude when he must verify an audience member's height using his spread-eagled arms; and a Jenga sequence with a fantastic deferred payoff.
News & Media
During that time, Dwolla makes one or two small test deposits, which you must verify, to make sure you are authorized to have access to the bank account.
News & Media
"It's too early to tell whether this offer will succeed, and any agreement must verify that the Assad regime keeps its commitments.
News & Media
"It's too early to tell whether this offer will succeed, and any agreement must verify that the Assad regime keeps its commitments," Mr. Obama said.
News & Media
When analyzing data collected, we must verify the ANOVA assumptions.
Expert writing Tips
Best practice
When using "must verify", ensure that the subject performing the verification has the necessary authority or resources to do so effectively.
Common error
Avoid using "must verify" when a complete and absolute confirmation is impossible. Instead, consider using phrases like "should assess" or "needs to evaluate" to reflect a degree of uncertainty.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "must verify" functions as a modal verb phrase, indicating an obligation or necessity to confirm or check something. This highlights a required action to ensure accuracy or compliance. As shown in the Ludwig examples, this phrase is frequently used in formal contexts, like legal or procedural mandates.
Frequent in
News & Media
36%
Science
36%
Formal & Business
12%
Less common in
Wiki
9%
Academia
4%
Reference
3%
Ludwig's WRAP-UP
In summary, the phrase "must verify" is a common and grammatically sound expression used to indicate a requirement to confirm or check the accuracy of something. According to Ludwig, the phrase is primarily used in News & Media and Science contexts. When using "must verify", be mindful of its implication of a mandatory action and ensure that the subject has the means to perform the verification effectively. Alternative phrases like "are required to confirm" or "need to validate" can be used depending on the specific nuance you wish to convey.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
are required to confirm
Emphasizes a formal obligation to confirm something.
need to validate
Focuses on the necessity of validating something to ensure its accuracy or legitimacy.
should authenticate
Highlights the act of proving something is genuine.
have to ascertain
Stresses the need to find something out for certain.
are obligated to check
Indicates a formal requirement to check something.
are bound to corroborate
Suggests a duty to support a statement or theory with evidence.
ought to validate
Implies a moral obligation to validate something.
should substantiate
Focuses on providing evidence to support the truth of something.
need to double-check
Emphasizes the necessity of checking something again for accuracy.
have to ratify
Highlights the action of formally confirming or validating something.
FAQs
How can I use "must verify" in a sentence?
Use "must verify" to indicate a requirement to confirm or check the accuracy of something, such as "Election officials "must verify" the information with state motor vehicle agencies."
What are some alternatives to "must verify"?
You can use alternatives like "need to validate", "are required to confirm", or "should authenticate" depending on the context.
When is it appropriate to use "must verify" in formal writing?
"Must verify" is suitable for formal writing when outlining mandatory procedures or legal obligations. Consider using alternative phrases like "are required to confirm" or "need to validate" for a similar effect.
What's the difference between "must verify" and "should verify"?
"Must verify" indicates a mandatory action, while "should verify" suggests a recommended but not strictly required action. The choice depends on the level of obligation you want to convey.
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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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested