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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a must do
Grammar usage guide and real-world examplesUSAGE 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
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
17 human-written examples
It's a must do".
News & Media
A must do!
News & Media
It's expensive, but it's a must do.
News & Media
"This is a must do," says Prof Sierks.
News & Media
Simply put, it's a must do for active business owners.
News & Media
We believe that the tower will be a must do attraction in Weymouth.
News & Media
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.
Wiki
Upon being touched, a player must do a dance move for 5 seconds.
Wiki
Those who can give a lot must do so; those of more modest means must also do their part.
News & Media
Hard work, the kind a man must do within his soul, is its own reward.
News & Media
To benefit, a politician must do all of them himself, he says.
News & Media
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.
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.
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.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
an essential task
This alternative uses more formal language to convey the necessity of a task.
a necessary action
This phrase highlights the requirement for a specific action to be taken.
a required step
This option emphasizes that something is a mandatory part of a process.
an obligatory act
This suggests that performing the action is not optional, but compulsory.
something indispensable
This alternative stresses that something is absolutely essential and cannot be done without.
something unavoidable
This emphasizes that the action cannot be avoided and must happen.
a crucial element
This alternative emphasizes that the action is vitally important for success.
an imperative
This uses a more commanding and formal tone, suggesting a critical necessity.
a top priority
This shifts the focus to importance, highlighting that something should be given immediate attention.
a key undertaking
This alternative emphasizes that the action is a significant project that must be done.
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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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
79%
Authority and reliability
3.5/5
Expert rating
Real-world application tested