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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 depart
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "must depart" is correct and usable in written English.
It can be used when indicating a necessity or obligation to leave a place or situation. Example: "Due to unforeseen circumstances, we must depart immediately to ensure everyone's safety."
✓ Grammatically correct
News & Media
Academia
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
39 human-written examples
I must depart.
News & Media
I must depart now.
News & Media
"And that some member economies must depart in order to get their economic houses in order".
News & Media
Instead, it must depart from Paris-Orly Airport, the civilian international airport south of the capital.
News & Media
For Europe's sake, the new constitution must depart from this outmoded tradition, not honour it.
News & Media
But however much he might wish otherwise, Ganesh must depart, she said.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
21 human-written examples
The young men accept, agreeing to tell their fiancées that they have been called into battle and must immediately depart.
News & Media
But it does not mean that other restless corners of the archipelago, such as Aceh and Irian Jaya, must also depart.
News & Media
The concept comes in many flavors, but the basic point is to impress upon talented people who must nonetheless depart the company that you are holding out opportunity for a continuing relationship.
News & Media
UN convoys to besieged areas are often given limited time to unload; permission can be granted at the last minute and they must then depart in time to return to Damascus safely.
News & Media
While she's off packing her goodies, the Doctor receives a summons to Gallifrey from the Time Lords, and "realises" that he cannot take a human to his home planet and Sarah must indeed depart.
News & Media
Expert writing Tips
Best practice
When using "must depart", consider the formality of the context. While grammatically correct, it can sound formal or archaic in casual conversation. Use synonyms like "have to leave" or "need to go" for more relaxed settings.
Common error
Avoid using "must depart" in casual conversation or informal writing. It can sound stilted or overly formal. Opt for more natural alternatives like "have to leave" or "need to go" to maintain a conversational tone.
Source & Trust
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "must depart" functions as a modal verb phrase indicating obligation or necessity to leave. As Ludwig AI confirms, it's grammatically correct and usable in written English. Examples from Ludwig show its usage in various contexts, emphasizing the requirement to leave.
Frequent in
News & Media
38%
Academia
21%
Science
21%
Less common in
Formal & Business
8%
Wiki
8%
Encyclopedias
4%
Ludwig's WRAP-UP
In summary, the phrase "must depart" is a grammatically correct and commonly used expression indicating an obligation to leave. As Ludwig AI states, it's usable in written English but may sound more formal than alternatives like "have to leave" or "need to go". Its usage spans various contexts, from news and media to academia and science, although it is less common in informal settings. When writing, consider the context and audience to determine whether "must depart" is the most appropriate choice, or if a more casual alternative would be better.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
have to leave
Replaces "must" with "have to", a more common expression of obligation. "Depart" is substituted by "leave" which is less formal.
need to go
Uses "need to" instead of "must", indicating a necessity, and "go" instead of "depart", making it more informal.
are required to leave
Emphasizes the requirement to leave, suitable for formal contexts. Replaces modal verb with a passive voice construction.
are obliged to leave
Uses "obliged" to stress duty or necessity, maintaining a formal tone while replacing "must" and "depart" with "leave".
are bound to leave
Implies a sense of duty or obligation to leave, offering a slightly different nuance. Replaces modal verb with a passive voice construction.
should leave
Softens the obligation with "should", making it less forceful than "must".
ought to leave
Uses "ought to" as a more formal alternative to "should", indicating a moral obligation to leave.
have got to go
A more colloquial way of expressing necessity, using "have got to" and "go".
it's time to leave
Indicates that the appropriate moment to leave has arrived, shifting the focus from obligation to timing.
it is essential to leave
Highlights the essential nature of leaving, offering a more emphatic alternative.
FAQs
What does "must depart" mean?
"Must depart" signifies that someone is required or obligated to leave a place or situation. It implies a necessity or obligation to go.
What can I say instead of "must depart"?
You can use alternatives like "have to leave", "need to go", or "are required to leave" depending on the context.
When is it appropriate to use "must depart"?
"Must depart" is appropriate in formal contexts or when emphasizing the necessity of leaving. In informal settings, consider using more casual alternatives.
Is "must depart" more formal than "have to leave"?
Yes, "must depart" is generally considered more formal than "have to leave". The choice depends on the intended tone and audience.
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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
4.1/5
Expert rating
Real-world application tested