Used and loved by millions
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
you must maintain
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "you must maintain" is correct and usable in written English.
It can be used when giving instructions or emphasizing the importance of keeping something in a certain state or condition. Example: "In order to ensure the longevity of the equipment, you must maintain it regularly."
✓ Grammatically correct
News & Media
Wiki
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
51 human-written examples
You must maintain a stiff upper lip in the face of these unpleasant facts.
News & Media
And once you get there, as Sir Alex Ferguson has never tired of repeating, you must maintain that top position.
News & Media
You must maintain a strong grip on the handles or the auger can twist out of control.
News & Media
At the same time, you must maintain the intention to break off at a certain point and switch to another activity.
News & Media
You must look to see what you're shooting, and you must maintain distance to see the significance of what you're doing.
News & Media
"The culture at most of these large law firms is that you must maintain astronomical levels of partner earnings in order to keep your top talent," Mr. Harper said.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
9 human-written examples
When you lose everything, hope becomes your life force, your oxygen--you must maintain it at all costs.
News & Media
Just as you have to perform a certain amount of tasks per a certain amount of time where you work, agents must maintain an average handle time (the total length of the call, including hold), and may be required to pitch certain new services/items to you at specific points during a call.
Wiki
Once you've gotten your certification, you must keep it maintained by ongoing studying and learning.
Wiki
As you are aware, advertisers must maintain particular care in crafting authentic, legally viable and responsible marketing messages, as each year American consumers lose billions of dollars as a result of deceptive marketing and false ads running the gamut from blatant lies and fraudulent scams to subtle ploys intended to confuse and mislead to video programming featuring Kayne West.
News & Media
He must maintain his voice.
News & Media
Expert writing Tips
Best practice
In formal writing, avoid contractions in "you must maintain" for emphasis, writing out "you must" instead of "you've to".
Common error
Avoid using past or future tenses with "you must maintain" when giving general instructions. For example, don't say "you had to maintain" or "you will have to maintain" if the instruction is ongoing. Use the present tense for consistent clarity.
Source & Trust
79%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "you must maintain" functions primarily as an imperative, imposing a duty or obligation on the addressed party. Ludwig's examples show its use in diverse contexts, from maintaining a strong grip to maintaining confidentiality.
Frequent in
News & Media
47%
Wiki
33%
Formal & Business
9%
Less common in
Science
6%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "you must maintain" is a versatile imperative used to instruct, advise, or command. It is grammatically correct and most frequently found in News & Media and Wiki sources. As Ludwig AI suggests, the phrase is suitable for various contexts, from ensuring compliance to providing guidance. To adjust the tone, consider alternatives like "it is important to maintain" for a softer approach or "it is required that you maintain" for a more formal tone. When using "you must maintain", ensure you are using the present tense for ongoing instructions, rather than past or future tenses.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
it is essential to uphold
Replaces "you must" with "it is essential", shifting the focus to the importance of the action.
it's important to preserve
Substitutes "maintain" with "preserve", emphasizing the act of keeping something intact.
it is necessary to retain
Uses "retain" instead of "maintain", highlighting the act of keeping possession of something.
you are required to keep up
Replaces "must maintain" with "are required to keep up", indicating an obligation to continue something.
you have to conserve
Employs "conserve" in place of "maintain", suggesting the careful preservation of resources or qualities.
you need to sustain
Utilizes "sustain" instead of "maintain", focusing on the act of supporting or prolonging something.
it's vital to safeguard
Replaces "maintain" with "safeguard", emphasizing the protection of something from harm or damage.
you are obliged to preserve
Combines the sense of obligation with the action of preserving.
it's your duty to uphold
Highlights the responsibility associated with maintaining something.
you are bound to keep
Indicates a commitment to maintain something in a certain state.
FAQs
How can I rephrase "you must maintain" for a softer tone?
For a less direct tone, consider using phrases like "it is important to maintain", "it is necessary to maintain", or "remember to maintain" depending on the context.
Is there a more formal alternative to "you must maintain"?
In formal contexts, you might use phrases such as "it is required that you maintain" or "you are obliged to maintain" for added emphasis.
When is it appropriate to use "you must maintain" in writing?
Use "you must maintain" when giving clear instructions, emphasizing a mandatory requirement, or establishing a formal tone in your writing. It's suitable for manuals, legal documents, and formal guidelines.
What is the difference between "you must maintain" and "you should maintain"?
"You must maintain" indicates a mandatory action, while "you should maintain" suggests a recommendation or advice. The former implies a strict requirement, whereas the latter offers guidance.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
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
4.1/5
Expert rating
Real-world application tested