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 responsible
Grammar usage guide and real-world examplesUSAGE SUMMARY
The part of the sentence "must be responsible" is correct and usable in written English.
You can use it when you want to express the idea that someone should be accountable and reliable for something. For example, "As a leader in this company, you must be responsible for making sure that deadlines are met."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(20)
must be charged
should be held accountable
must be busy
must be held
is swamped with work
must be full
must be brought
currently unavailable
must be filled
needs to take ownership
must be involved
has a lot on their plate
must be contributed
must be instructed
must be intense
must be contributing
must be directed
must be heavy
must be served
must be performed
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
And to lead this nation to a responsibility era, a president himself must be responsible.
News & Media
Cop must be responsible.
News & Media
"A few people must be responsible.
News & Media
I must be responsible and accountable for my actions.
News & Media
You must be responsible to our nation, our party.
News & Media
"The police must be responsible for protecting society," he says.
News & Media
Other types of genetic variation must be responsible for the taxonomic differences.
Science
"The association must be responsible for Japan's national sport," Tatsuo Kawabata said.
News & Media
A government must be responsible, Satter Shah says, and he knows which one.
News & Media
This reflects an idea both old and new: directors must be responsible.
News & Media
"Corporate America must be responsible for its behavior as well," he said.
News & Media
Expert writing Tips
Best practice
When using "must be responsible", ensure that the context clearly defines the scope and nature of the responsibility. This helps avoid ambiguity and ensures that expectations are well-understood.
Common error
Avoid using "must be responsible" without specifying what someone is responsible for. Without clear parameters, the phrase becomes ineffective and can lead to misunderstandings.
Source & Trust
85%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "must be responsible" functions as a modal verb phrase indicating a strong obligation or necessity. As Ludwig AI reports, it asserts that someone has a duty or requirement to fulfill a particular role or task. Examples show its use in assigning accountability to individuals, organizations, or systems.
Frequent in
News & Media
40%
Science
30%
Formal & Business
20%
Less common in
Academia
5%
Encyclopedias
3%
Wiki
2%
Ludwig's WRAP-UP
The phrase "must be responsible" is a very common and grammatically correct modal verb phrase that conveys a strong obligation or duty. Ludwig AI confirms its proper use in English writing. Predominantly found in News & Media, Science, and Formal & Business contexts, it serves to assign accountability and emphasize expectations. When using this phrase, be mindful of clearly defining the scope of the responsibility to avoid vagueness. Alternatives like "has to be accountable" and "should be held accountable" can be considered depending on the context and desired level of formality.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
has to be accountable
Replaces "must" with "has to", emphasizing obligation and replaces "responsible" with "accountable", highlighting the need to answer for one's actions.
is required to be liable
Replaces "must" with "is required", stressing necessity and replaces "responsible" with "liable", focusing on legal or financial obligations.
should be held accountable
Substitutes "must" with "should", softening the obligation, and adds "held accountable", emphasizing external judgment.
needs to take ownership
Replaces "must be responsible" with a more active phrase, emphasizing taking control and accepting consequences.
is bound to answer
Uses "is bound" to convey obligation and "answer" to suggest accountability for actions or decisions.
is compelled to be in charge
Replaces "must" with "is compelled", emphasizing external pressure and changes "responsible" with "in charge", focusing on leadership.
is duty-bound to be reliable
Uses "duty-bound" to emphasize moral obligation and "reliable" to focus on dependability.
has a duty to act
Focuses on the obligation to take action, emphasizing proactive responsibility.
is the one at fault
Shifts the focus to blame or culpability, suggesting a direct cause-and-effect relationship.
bears the burden of
Emphasizes the weight or difficulty of the responsibility being assigned.
FAQs
How can I use "must be responsible" in a sentence?
You can use "must be responsible" to indicate an obligation or duty. For instance, "The manager "must be responsible" for ensuring all team members are properly trained".
What are some alternatives to using "must be responsible"?
Alternatives include phrases like "has to be accountable", "should be held accountable", or "needs to take ownership". The best choice depends on the specific context and the desired level of formality.
Is it better to use "must be responsible" or "should be responsible"?
"Must be responsible" implies a stronger obligation than "should be responsible". "Must" indicates a necessity or requirement, while "should" suggests a recommendation or advice. Consider the level of enforcement when selecting the appropriate phrase.
Can "must be responsible" be used in a formal context?
Yes, "must be responsible" is suitable for formal contexts, especially when delineating clear duties or obligations. However, in less formal settings, alternatives like "needs to take ownership" might be more appropriate.
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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
4.6/5
Expert rating
Real-world application tested