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 contributed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "must be contributed" is correct and usable in written English.
It can be used when indicating that something is required to be given or provided, often in the context of contributions to a project or cause. Example: "To ensure the success of the initiative, a significant amount of resources must be contributed by all team members."
✓ Grammatically correct
Science
News & Media
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
3 human-written examples
The actuary keeps track of plan members' data, calculates how much money must be contributed every year and advises the board on key assumptions like future investment returns; the actuary does not "run" the plan.
News & Media
Technological innovation of the tissue engineering must be contributed to improve quality of life.
This means that the remaining 4.7 mm or 78% of the difference in cup diameter between THA and HRA must be contributed to the surgical procedure.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
"Paying one of the lowest minimum rates in the public sector must be contributing to this".
News & Media
And for the broader population, the result is a lack of foreign investment (and capital flight abroad) that must be contributing to the country's poor growth: its GDP fell by 0.4% in the first quarter.From time to time, analysts point to the low Russian valuation as a sign that the market is cheap and that international investors should go on a buying spree.
News & Media
This suggests that either cobalt does not completely block horizontal cell feedback in the mouse or that processes in the inner retina must be contributing to spatial tuning.
Science
This suggests that other cell types must be contributing to the pathological process.
Thus, increased IPSMs must be contributing to processing of TSAs to auto-antigen peptides within Aire+ cells.
Science
Still, observations of variation in pathogenic potential, even among serotypes and strains expressing the same apx toxins, indicate that other virulence determinants must be contributing to the observed differences in pathogenesis [ 2, 15- 17].
Science
11 Other, as yet unknown factors, must be contributing to this variation in response to opioids, so any factor that helps to unravel variations in response of breathlessness to opioids is likely to be of value to clinicians and researchers given the paucity of such factors currently.
Science
The reason why model fit of energy models yields a poor record in the past hence is not (primarily) due to little understanding of the system but must rather be contributed to influences on the system of radical nature that cannot be anticipated.
Expert writing Tips
Best practice
When using "must be contributed", ensure the context clearly defines what is being contributed and to what end. For instance, specify the resources, efforts, or ideas required for a project's success.
Common error
Avoid using "must be contributed" without specifying what needs to be contributed. Ambiguity can lead to misunderstandings and hinder the intended outcome. Instead of saying "Efforts must be contributed", specify "Efforts in data analysis must be contributed".
Source & Trust
82%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "must be contributed" functions as a passive construction indicating something is required or necessary to be given. Ludwig confirms the correctness and usability of this phrase. It often appears in contexts where actions or resources are essential for a particular outcome.
Frequent in
Science
66%
News & Media
33%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "must be contributed" is a grammatically correct and usable passive construction indicating a requirement. Ludwig highlights its suitability for formal contexts, particularly within scientific and news domains. While not exceedingly common, its purpose is to emphasize the necessity of contributions. To ensure clarity, specify what exactly "must be contributed". When a less formal register is needed, consider using alternatives like "needs to be supplied". Ensure that you also specify to whom or what these needs must be given.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
must be supplied
Replaces 'contributed' with 'supplied', maintaining similar meaning.
needs to be supplied
Emphasizes requirement for provision, changing the verb.
is mandatory to provide
Emphasizes the compulsory nature of providing something.
is required to be given
Highlights the obligatory nature of giving something.
must be furnished
Changes 'contributed' to 'furnished', implying provision of something needed.
is obliged to be contributed
Focuses on the obligation to contribute something.
should be provided
Suggests recommendation instead of strict obligation.
is deemed necessary to contribute
Adds formality by using 'deemed necessary'.
has to be allocated
Focuses on resource allocation rather than general contribution.
is essential to provide
Highlights the importance of providing something.
FAQs
How can I rephrase "must be contributed" to sound less formal?
For a less formal tone, you could use phrases like "needs to be given", "should be added", or "has to be put in". The choice depends on the specific context.
What is the difference between "must be contributed" and "should be contributed"?
"Must be contributed" indicates a requirement or obligation, whereas "should be contributed" suggests a recommendation or suggestion. "Must" implies necessity, while "should" implies advisability.
In what contexts is it appropriate to use "must be contributed"?
It's appropriate in formal contexts where you want to emphasize a requirement, such as in project plans, academic papers, or official guidelines. It's often used to indicate that certain resources or actions are essential for achieving a specific goal.
What are some synonyms for "must be contributed" that I can use to vary my writing?
You can use alternatives such as "needs to be supplied", "is required to be given", or "should be provided" to avoid repetition.
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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
4.3/5
Expert rating
Real-world application tested