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
contain of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "contain of" is not correct in written English.
The correct phrase would be "contain" or "consist of." You can use this phrase when describing what something is composed of, or what is included in a particular group. For example, "This box contains a variety of office supplies."
⚠ May contain grammatical issues
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
23 human-written examples
They contain, of course, unclosed terms that need to be modelled.
Science
Typically they contain of the order of 103 molecules and are between about 4 and 10 nm in size.
Science
The samples studied contain of the order of 250 300 atoms with densities in the range 2.78 3.12 g/cm3.
Science
The most poignant feature of these diaries is the evidence they contain of the diarist trying to feel, but forced to confess to an inability to do so.
News & Media
Various proposals of this sort are already floating around Congress, and a number of big corporations, including coal-fired utilities, have publicly asked the government for such an approach.So what exactly does Mr Bush's policy contain of substance?
News & Media
The models with high aspect ratio show, in general, more uniform current distributions, with the higher maximum and minimum intensity values, temperature distributions with smaller gradients and a superior contain of water in the membrane, which allows to obtain a higher performance.
Human-verified similar examples from authoritative sources
Similar Expressions
37 human-written examples
The show contains of a series of sculptural diptychs.
News & Media
Mamilla Mall contains of retail space.
Wiki
All of these contain plenty of DNA.
News & Media
The blocks contain traces of volcanic ash.
News & Media
Some contain sacs of various pigments.
News & Media
Expert writing Tips
Best practice
Avoid using the phrase "contain of". Instead, use "contain" followed directly by the object, or use "consist of" to indicate composition.
Common error
A common mistake is adding the preposition "of" after "contain". Remember that "contain" directly takes the object it includes, while "consist" requires "of".
Source & Trust
60%
Authority and reliability
1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "contain of" is grammatically incorrect and does not function as a standard phrase in English. Ludwig AI identifies it as an error, suggesting the correct usage should either be "contain" or "consist of".
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "contain of" is grammatically incorrect in English. As Ludwig AI confirms, the proper usage is either "contain", followed directly by the object, or "consist of" to indicate composition. Due to its incorrectness, the phrase is unsuitable for any formal context and should be avoided in professional, academic, and even neutral settings. Alternatives such as "consist of", "include", and "comprise" should be used instead to accurately convey the intended meaning.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
consist of
Emphasizes the components or elements that make up something.
comprise
Indicates what something is made up of, similar to "consist of".
include
Highlights the presence of certain items or elements within a larger group.
be composed of
Stresses the act of being formed or created from specific elements.
incorporate
Suggests that something is integrated or included as part of a whole.
hold
Implies that something physically or conceptually contains something else.
encompass
Suggests a comprehensive inclusion of elements.
accommodate
Focuses on the capacity to contain or include.
embrace
Implies a welcoming or comprehensive inclusion.
feature
Highlights the presence of specific attributes or components.
FAQs
What is the correct way to use "contain" in a sentence?
The word "contain" should be followed directly by the object it includes. For example, "This box contains books" is correct, while "This box contains of books" is incorrect.
What can I use instead of the incorrect phrase "contain of"?
You can use alternatives like "consist of", "include", or "comprise" to express the idea of something being made up of certain elements.
Is it ever correct to use "of" after "contain"?
No, it is grammatically incorrect to use "of" directly after "contain". The verb "contain" does not require a preposition to connect it to its object.
Which is correct: "The recipe contains nuts" or "The recipe contains of nuts"?
The correct sentence is "The recipe contains nuts". The verb "contain" does not need the preposition "of". It directly takes the object that is being contained.
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
60%
Authority and reliability
1/5
Expert rating
Real-world application tested