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 repaired
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "must be repaired" is correct and usable in written English.
It can be used when indicating that something requires repair or maintenance. Example: "The broken machinery must be repaired before we can resume production."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Wiki
Alternative expressions(20)
needs to be fixed
should be rectified
should be repaired
is in need of repair
should be corrected
must be reversed
must be cut
must be prosecuted
must be identified
must be stopped
must be tackled
must be researched
must be eliminated
must be overturned
must be thrilled
must be breached
must be addressed
must be preserved
must be done
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
59 human-written examples
The disk must be repaired, the computer says, but the disk cannot be repaired.
News & Media
Before being re-let, homes must be repaired and their gas and electrics checked.
News & Media
It endangers our tradition of entrepreneurship, and it must be repaired — soon.
News & Media
The emissions test, required every two years, costs $20; cars that fail must be repaired and tested again.
News & Media
Third, the terrible damage that his government has done to the climate economy in the UK must be repaired.
News & Media
The govt., in which public confidence has rarely been lower, must be repaired & the economy needs restructuring.
News & Media
The girl explained that it was a company rule: all leaks must be repaired within two hours after being reported.
News & Media
On average, the segments of a steel track must be repaired or replaced after just 400km (250 miles) of use.
News & Media
It is in Pennsylvania that New York City's broken carriages must be repaired, usually by the experienced, knowledgeable mechanics from the surrounding Amish and Mennonite communities.
News & Media
For England to stay in this series and defeat Australia for the fourth consecutive time at home the heavy damage inflicted at Lord's must be repaired immediately.
News & Media
In the longer term, the huge damage to infrastructure must be repaired, from schools and hospitals to irrigation canals, communications and transport links.
News & Media
Expert writing Tips
Best practice
When using "must be repaired", ensure the context clearly identifies what needs to be repaired and why it's important. For instance, "The bridge must be repaired before it collapses."
Common error
While "must be repaired" is grammatically sound, avoid overusing it in informal writing. Simpler alternatives like "needs fixing" or "should be fixed" may be more appropriate in casual settings.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "must be repaired" functions as a modal passive construction, indicating an obligation or necessity for something to undergo repair. According to Ludwig, this phrase is correct and usable in written English.
Frequent in
Science
32%
News & Media
30%
Formal & Business
14%
Less common in
Wiki
5%
Encyclopedias
4%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "must be repaired" is a grammatically sound and frequently used expression that signifies the necessity of fixing or restoring something. As noted by Ludwig, it's considered correct and appropriate in written English across diverse contexts, ranging from news articles and scientific publications to encyclopedia entries. While its formality can vary, it leans toward a neutral tone suitable for most professional communication. Consider using alternatives like "needs to be fixed" for more casual settings, and always ensure clarity in specifying what requires repair and why it's essential.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
needs to be fixed
Uses a more informal verb, "fixed", instead of "repaired".
requires mending
Employs "mending", suggesting a more delicate or careful repair.
is in need of repair
Rephrases the sentence structure to emphasize the state of disrepair.
has to be restored
Indicates a return to a previous, better condition.
should be rectified
Implies a more formal and precise correction.
demands immediate repair
Stresses the urgency of the required repair.
necessitates fixing
Uses a more formal term, "necessitates", to highlight the requirement.
is essential to mend
Highlights the essential nature of the repair work.
must undergo restoration
Emphasizes a comprehensive process of returning something to its original condition.
should be corrected
Suggests a more general act of fixing an error or fault.
FAQs
How can I use "must be repaired" in a sentence?
The phrase "must be repaired" indicates a mandatory requirement for fixing something. For example, "The faulty wiring /s/must+be+repaired/ to prevent a fire."
What can I say instead of "must be repaired"?
You can use alternatives like "needs to be fixed", "requires mending", or "should be rectified depending on the context.
Which is correct, "must be repaired" or "needs repaired"?
"Must be repaired" is the grammatically correct and more formal option. "Needs repaired" is not standard English.
What's the difference between "must be repaired" and "should be repaired"?
"Must be repaired" indicates a necessity or obligation, whereas "should be repaired" suggests a recommendation or advisability. The former implies greater urgency or importance.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested