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 quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

does not contained

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "does not contained" is not correct in English.
The correct form should be "does not contain." You can use it when stating that something is absent or not included in a particular context. Example: "The report does not contain any errors, which is impressive given the complexity of the data."

⚠ May contain grammatical issues

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

But (S_4) does not contained a dihedral group of order 12 and we have that (|H|=6).

Presence of N and H in the drug loaded of CaCO3 nanocrystal comfirm the interclation of drug into the nanocrystal, since pure or unloaded calcium carbonate does not contained such elements.

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

This post does NOT contain spoilers.

News & Media

The New Yorker

It does not contain extraordinary measures.

News & Media

The Economist

The capsicum itself does not contain capsaicin.

The metal bob does not contain sand.

News & Media

The Guardian

Mr. Crichton does not contain the reader.

And no, tequila does not contain worms.

Grapefruit does not contain the enzyme itself.

News & Media

The New York Times

It does not contain the preservative.

News & Media

The New York Times

Moreover, it does not contain moving parts.

Show more...

Expert writing Tips

Best practice

Always use the correct form of the verb "contain", which is "contain" after "does not". For example, say "The report does not contain errors" instead of "The report does not contained errors".

Common error

Avoid using the past participle "contained" after "does not". The correct structure requires the base form of the verb, which is "contain". "Contained" is typically used in passive voice constructions or as an adjective.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

2.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "does not contained" functions as a verb phrase attempting to express negation. However, as Ludwig AI points out, it is grammatically incorrect. The correct form is "does not contain".

Expression frequency: Rare

Frequent in

Science

50%

News & Media

50%

Formal & Business

0%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "does not contained" is a grammatically incorrect construction. Ludwig AI highlights that the correct form is ""does not contain"". While the intention is to express the absence of something, the improper grammar undermines the message's clarity and credibility. Usage is rare, appearing mostly in scientific and news contexts. Remember to use "contain" after "does not" to ensure grammatical correctness. To avoid this error, consider alternative phrases such as "does not include" or "lacks".

FAQs

What is the correct way to use "contain" in a negative sentence?

The correct way to use "contain" in a negative sentence is with the auxiliary verb "does not". For example, "The box "does not contain" the missing parts".

Is it ever correct to use "contained" after "does not"?

No, it is grammatically incorrect to use "contained" directly after "does not". The correct form is "does not contain". "Contained" is the past participle and is used in different grammatical structures, such as passive voice.

What are some alternatives to saying "does not contain"?

Some alternatives to "does not contain" include "does not include", "lacks", or "is missing". The best alternative depends on the specific context.

How can I remember to use "contain" instead of "contained" after "does not"?

Think of "does" as already carrying the tense. Therefore, you need to use the base form of the verb, "contain". This is similar to other auxiliary verbs like "do", "can", or "will", which are also followed by the base form of the verb.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

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.

Source & Trust

84%

Authority and reliability

2.5/5

Expert rating

Real-world application tested

Most frequent sentences: