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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

must work

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "must work" is correct and usable in written English.
You can use it when you want to express something is necessary or must be done. For example: "If we want to reach our goals, we must work hard."

✓ Grammatically correct

News & Media

Encyclopedias

Academia

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

"A recipe must work?

News & Media

The Economist

We must work together".

News & Media

Independent

I must work".

News & Media

The New York Times

The audience must work harder.

The jokes must work tonight".

News & Media

The New Yorker

The phones must work".

News & Media

The New York Times

The system must work.

News & Media

The Guardian

But I must work.

Here everyone must work.

News & Media

The Guardian

Schools must work together.

News & Media

The Guardian

Federal employees must work.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

When using "must work", ensure the context clearly indicates a strong obligation or necessity. Consider the audience and situation to determine if a softer modal verb like "should" or "need to" might be more appropriate.

Common error

Avoid using "must work" in casual conversations or informal writing where it can sound overly assertive or demanding. Opt for phrases like "need to work" or "have to work" to maintain a more relaxed tone.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "must work" primarily functions as a modal verb phrase indicating a strong obligation, necessity, or requirement to perform an action. Ludwig AI confirms its correct usage. The examples provided by Ludwig illustrate its deployment across diverse scenarios, from personal resolutions to systemic imperatives.

Expression frequency: Very common

Frequent in

News & Media

53%

Academia

12%

Wiki

10%

Less common in

Science

8%

Encyclopedias

6%

Formal & Business

3%

Ludwig's WRAP-UP

In summary, the phrase "must work" is a common and grammatically sound expression used to convey a strong sense of obligation or necessity. Ludwig AI indicates that the phrase is correct and usable in written English. It appears frequently in News & Media sources and academic settings. While interchangeable with alternatives like "have to work" or "need to work", "must work" carries a slightly stronger tone. When using this phrase, be mindful of the context and audience to ensure the level of formality aligns with your intended message. Overusing "must" in informal settings can sound overly assertive, so consider using softer alternatives. By understanding the nuances of "must work", you can effectively communicate the importance of effort and commitment in your writing.

FAQs

How to use "must work" in a sentence?

Use "must work" to indicate a strong obligation or necessity. For example, "If we want to succeed, we "must work" together".

What can I say instead of "must work"?

You can use alternatives like "have to work", "need to work", or "are required to work" depending on the context.

Which is correct, "must work" or "should work"?

"Must work" implies a stronger obligation than "should work". Use "must" when the action is essential, and "should" when it's a recommendation.

What's the difference between "must work" and "have to work"?

While similar, "have to work" often indicates an external obligation, whereas "must work" can imply either an internal or external obligation. In many contexts, they are interchangeable.

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Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: