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 be shown
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "must be shown" is correct and usable in written English.
It can be used to indicate that something is required to be displayed or demonstrated. Example: "All evidence must be shown to the jury during the trial."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(20)
has to be presented
must be demonstrated
needs to be demonstrated
should be presented
should be illustrated
must be substantiated
must be acknowledged
must be characterised
must be displayed
must be revealed
must be indicated
must be pointed
must be suggested
must be confirmed
must be worked
must be cut
must be identified
must be tackled
must be breached
must be expected
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
Attention must be shown.
News & Media
The affirmative must be shown.
Academia
Conceptualism occurred, conceptualism must be shown.
News & Media
It must be shown to be arbitrary.
Academia
The video is therefore vital evidence and must be shown.
News & Media
This page must be shown to claim the discount.
News & Media
These elements must be shown "with specificity". Id. at 756.
News & Media
In Spain too, good cause must be shown.
Academia
A receipt and FTF must be shown to verify.
Academia
Corresponding results must be shown to designers online.
Finally, crime must be shown to increase levels of disorder.
Encyclopedias
Expert writing Tips
Best practice
When using "must be shown", ensure the context clearly indicates what needs to be demonstrated or displayed. Provide sufficient detail to avoid ambiguity.
Common error
Avoid using "must be shown" in casual conversations or informal writing. Opt for simpler alternatives like "needs to be seen" or "should be displayed" to maintain a natural tone.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "must be shown" functions primarily as a modal passive construction. The modal verb 'must' indicates obligation or necessity, while 'be shown' signifies the action of displaying or demonstrating something. Ludwig's examples confirm its use in contexts where demonstration or presentation is required.
Frequent in
News & Media
40%
Academia
25%
Science
20%
Less common in
Encyclopedias
5%
Wiki
5%
Formal & Business
5%
Ludwig's WRAP-UP
In summary, the phrase "must be shown" is a grammatically correct and frequently used modal passive construction indicating a requirement for demonstration or display. As Ludwig AI confirms, it's common in news, academic, and scientific contexts. While versatile, it should be used judiciously in informal settings. Consider alternatives like "needs to be displayed" or "should be presented" depending on the desired tone and emphasis. The contexts highlight the importance of this expression in scenarios that include formal and informal situations.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
needs to be demonstrated
Emphasizes the necessity of demonstrating something to prove its validity.
has to be displayed
Focuses on the requirement of displaying something for visibility or verification.
should be presented
Suggests a recommendation or obligation to present something for consideration.
is required to be exhibited
Highlights the formal requirement for something to be exhibited or displayed.
must be proven
Focuses specifically on the need for something to be proven or validated.
needs to be evidenced
Emphasizes the necessity of providing evidence to support a claim or statement.
has to be validated
Highlights the need to confirm or validate something through verification.
should be illustrated
Suggests that something needs to be clarified or explained with examples.
is required to be unveiled
Emphasizes the formal need to reveal or disclose something that was previously hidden.
must be substantiated
Focuses on the need for something to be supported with evidence or facts.
FAQs
How can I use "must be shown" in a sentence?
The phrase "must be shown" indicates a requirement for something to be demonstrated or displayed. For example, "Proof of purchase "must be shown" to receive a refund."
What's a less formal alternative to "must be shown"?
If you're aiming for a less formal tone, you could use phrases like "needs to be displayed", "has to be presented", or "should be shown depending on the context."
Is there a difference between "must be shown" and "must be demonstrated"?
While similar, "must be shown" often implies a visual display or presentation, whereas "must be demonstrated" suggests a need for proof or validation through action or evidence.
Which is correct, "must be shown" or "needs to show"?
"Must be shown" is generally used in passive constructions, indicating something requires demonstration. "Needs to show" is an active construction, indicating someone needs to demonstrate something. The choice depends on the sentence structure and intended meaning.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested