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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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a must do

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "a must do" is not a complete sentence and is not grammatically correct.
It is commonly used in spoken English, but should not be used in formal or written English. It is typically used as an idiomatic phrase to express something that is necessary or essential. Example: "Visiting the Eiffel Tower is a must-do for anyone traveling to Paris."

⚠ May contain grammatical issues

News & Media

Wiki

Science

Human-verified examples from authoritative sources

Exact Expressions

17 human-written examples

It's a must do".

News & Media

Forbes

A must do!

News & Media

Forbes

It's expensive, but it's a must do.

News & Media

Forbes

"This is a must do," says Prof Sierks.

News & Media

BBC

Simply put, it's a must do for active business owners.

News & Media

Forbes

We believe that the tower will be a must do attraction in Weymouth.

News & Media

BBC
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

43 human-written examples

Cleanliness is a must- don't forget to blend your foundation in, so you don't have a "mask" look.

Upon being touched, a player must do a dance move for 5 seconds.

Those who can give a lot must do so; those of more modest means must also do their part.

News & Media

The New York Times

Hard work, the kind a man must do within his soul, is its own reward.

To benefit, a politician must do all of them himself, he says.

News & Media

The Economist
Show more...

Expert writing Tips

Best practice

While commonly used in spoken English, avoid using "a must do" in formal writing. Instead, opt for grammatically correct alternatives such as "essential task" or "necessary action".

Common error

Using "a must do" in professional documents or academic papers can undermine your credibility. Always use grammatically sound alternatives to maintain a professional tone.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

79%

Authority and reliability

3.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "a must do" functions as a noun phrase, often used informally to describe something considered essential or highly recommended. Ludwig examples demonstrate its usage across various contexts, though Ludwig AI indicates its grammatical incorrectness.

Expression frequency: Common

Frequent in

News & Media

50%

Wiki

21%

Science

12%

Less common in

Formal & Business

8%

Academia

4%

Reference

4%

Ludwig's WRAP-UP

In summary, the phrase "a must do" is a commonly used expression to describe something essential or highly recommended. However, according to Ludwig AI, it is grammatically incorrect and should be avoided in formal writing. While its frequency is common, especially in news and media, it is best to opt for grammatically correct alternatives such as "essential task" or "necessary action" in professional contexts. Ludwig's examples show its presence across various sources, but it is important to consider the context and audience when deciding whether to use this phrase.

FAQs

What does "a must do" mean?

The phrase "a must do" is an informal way of saying that something is essential or highly recommended. While common in speech, it's grammatically incorrect for formal writing.

How can I use "a must do" in a sentence?

Although grammatically incorrect, you might hear it in informal speech like, "Visiting the museum is "a must do" when you're in town." It's better to say, "Visiting the museum is essential when you're in town."

What can I say instead of "a must do"?

You can use alternatives like "essential task", "necessary action", or "required step" depending on the context.

Is "a must do" grammatically correct?

No, "a must do" is not grammatically correct. It's a colloquial expression. For formal writing, use a grammatically correct alternative such as "an essential thing to do".

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Source & Trust

79%

Authority and reliability

3.5/5

Expert rating

Real-world application tested

Most frequent sentences: