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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 right
Grammar usage guide and real-world examples

Alternative expressions(10)

has to be correct

is undoubtedly correct

should be right

must be accurate

needs to be right

must be valid

should be accurate

it stands to reason

it's a given

must being

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

58 human-written examples

This must be right.

News & Media

The Guardian - Opinion

There must be, right?

News & Media

The Guardian

That must be right.

News & Media

The Guardian

After all, they must be right.

News & Media

The New York Times

They know they must be right then".

News & Media

The New Yorker

"You certainly must be right.

News & Media

The New Yorker

Your judgment must be right.

News & Media

The New York Times

"I think that must be right.

News & Media

The Guardian

Diner must be right about that.

News & Media

The New York Times - Books

Human-verified similar examples from authoritative sources

Similar Expressions

2 human-written examples

But because I'm for gun rights a lot of people assume I must be right-wing.

News & Media

The Guardian

Therefore, (delta_{tau }(t^)) must be right-scattered, i.e., (sigma (delta_{tau }(t^))> delta_{tau }(t^)).

Science

Advances in Difference Equations

Expert writing Tips

Best practice

Employ this phrase in debates to graciously concede a point when your opponent provides a compelling argument.

Common error

Ensure you are not using "must be right" as a command (e.g., 'You must be right at 5 PM') when you actually mean 'You must arrive on time'. The phrase typically refers to logical truth rather than an obligation to behave in a certain way.

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

93%

Authority and reliability

4.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "must be right" consists of the epistemic modal verb 'must' combined with the linking verb 'be' and the predicative adjective 'right'. Its primary function, as seen in Ludwig examples, is to signal a logical deduction where the speaker is 95% to 100% certain of the truth of a proposition based on the facts at hand.

Expression frequency: Very common

Frequent in

News & Media

68%

Academia

14%

Science

10%

Less common in

Wiki

Formal & Business

Reference

Ludwig's WRAP-UP

The phrase "must be right" is a powerful linguistic tool used to convey strong logical certainty and affirmation. Ludwig AI data reveals its prevalence in high-tier publications like The New York Times and The Guardian, where it serves both as a marker of logical deduction and a conditional requirement for success. Whether used to concede an argument gracefully or to define strict parameters in a scientific or business context, the phrase is grammatically robust and highly versatile. It effectively bridges the gap between everyday conversation and rigorous professional analysis.

More alternative expressions(10)

Phrases that express similar concepts, ordered by semantic similarity:

has to be correct

Shifts focus to objective correctness and is slightly more emphatic in formal settings.

is surely right

Adds a layer of personal conviction or emphasis on the speaker's belief.

must be accurate

Specific to data, measurements or factual precision rather than general judgment.

certainly seems right

Softens the definitive 'must' into a strong observation based on appearance.

needs to be right

Emphasizes the necessity of correctness for a specific outcome to occur.

should be right

Reduces the certainty to a strong expectation rather than a logical requirement.

ought to be true

Adds a moral or probabilistic nuance often found in philosophical or formal contexts.

is bound to be right

Suggests that the outcome is inevitable or predestined to be correct.

must be valid

Focuses on the logical or legal soundness of an argument or document.

is likely correct

Significantly reduces the certainty level to a high probability.

FAQs

How do I use "must be right" in a sentence?

You use it to express strong certainty, such as 'Given the data, his conclusion "must be right"' or to agree with someone by saying 'You "must be right" about that'.

What can I say instead of "must be right"?

You can use alternatives like "has to be correct", "is surely right" or "is undoubtedly correct" depending on the context.

Is "must be right" formal or informal?

It is a neutral phrase that is perfectly acceptable in both formal academic papers and informal daily conversation.

What's the difference between "must be right" and "should be right"?

While "must be right" expresses near-certainty or logical necessity, "should be right" suggests a strong expectation with a small margin of doubt.

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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

93%

Authority and reliability

4.8/5

Expert rating

Real-world application tested

Most frequent sentences:

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must be rightGrammar usage guide and real-world examples

must be right
Grammar usage guide and real-world examples