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
to be clean
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "to be clean" is correct and usable in written English.
It can be used in contexts discussing cleanliness, hygiene, or moral integrity. Example: "It is important to be clean in both body and mind to maintain a healthy lifestyle."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(8)
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
59 human-written examples
"Everything has to be clean and nice".
News & Media
The kitchen has to be clean".
News & Media
"It has to be clean and simple".
News & Media
You have to be clean and good".
News & Media
The hit appeared to be clean.
News & Media
"They have to be clean," she insisted.
News & Media
"I want to be clean.
News & Media
"It has to be clean.
News & Media
It's going to be clean!
News & Media
I only need things to be clean.
News & Media
The kidney has to be clean".
News & Media
Expert writing Tips
Best practice
When using "to be clean" in a context related to health, ensure you specify the area of cleanliness (e.g., "to be clean after handling raw meat").
Common error
Avoid using "to be clean" without specifying the context. For example, instead of saying "It is important to be clean", specify "It is important to be clean when preparing food" to avoid ambiguity.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The infinitive phrase "to be clean" primarily functions as a predicate adjective complement, describing a state or quality. Ludwig examples show it used to express physical cleanliness, moral integrity, and freedom from addiction.
Frequent in
News & Media
42%
Wiki
23%
Science
15%
Less common in
Encyclopedias
2%
Formal & Business
2%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "to be clean" is a versatile infinitive phrase used across diverse contexts, ranging from physical hygiene to moral uprightness. As confirmed by Ludwig AI, its grammatical status is correct, and it's very commonly found in news, wiki articles, and scientific publications. The phrase's meaning is highly context-dependent, so providing specific information or clarification when using this phrase is essential for clear communication. From Ludwig's examples, ensure precision by specifying the type of cleanliness you intend to communicate, whether it's about physical purity, moral integrity, or something else.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
to be sanitary
Emphasizes freedom from germs and harmful substances.
to maintain hygiene
Focuses specifically on the practice of maintaining cleanliness for health.
to be spotless
Emphasizes a complete lack of blemishes or dirt.
to be purified
Implies the removal of impurities and contaminants.
to be unsoiled
Highlights the absence of physical dirt or stains.
to keep tidy
Suggests maintaining order and neatness, a component of cleanliness.
to be neat
Focuses on order and arrangement rather than just the absence of dirt.
to be wholesome
Focuses on overall health and well-being, including cleanliness.
to be virtuous
Shifts the meaning to moral cleanliness and ethical behavior.
to be morally upright
Highlights moral integrity and ethical conduct.
FAQs
How can I use "to be clean" in a sentence?
You can use "to be clean" in sentences about hygiene, such as "It's important to wash your hands to be clean and prevent the spread of germs", or in sentences about moral integrity, such as "Politicians need "to be honest" and "to be clean" in their dealings.
What does it mean "to be clean" in the context of addiction recovery?
In the context of addiction recovery, "to be clean" means to be free from drugs or alcohol. Someone might say, "I've been working hard "to be sane", and it's the best decision I've ever made."
What are some alternatives to saying "to be clean"?
Depending on the context, alternatives to "to be clean" could include "to be tidy", "to be sanitary", "to be honest", or "to be pure".
Is it always necessary to specify what "to be clean" refers to?
While not always grammatically necessary, specifying what "to be clean" refers to can provide clarity. For example, saying "the kitchen has to be clean" is clearer than simply saying "things have "to be less polluting"".
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested