Anyone Know vs. Anyone Knows – Which is Correct?

When deciding between “anyone know” and “anyone knows,” remember that “anyone” is a singular indefinite pronoun. Therefore, in declarative statements, the correct form is “anyone knows” (e.g., “If anyone knows the answer…”). However, in questions, an auxiliary verb like “does” is typically used, making “Does anyone know?” the grammatically correct phrasing.

Anyone Know or Anyone Knows – Which is Correct?

The choice between “anyone know” and “anyone knows” hinges on subject-verb agreement and the presence of auxiliary verbs, particularly in questions. The indefinite pronoun “anyone” is singular, which means it generally requires a singular verb form. In the simple present tense, the singular form of “to know” is “knows” (e.g., he knows, she knows, anyone knows).

However, when forming a question in English, an auxiliary verb (like “does” or “did”) often precedes the subject. In these cases, the main verb reverts to its base form (the infinitive without “to”). So, while “anyone knows” is correct in a statement like “I wonder if anyone knows,” the correct interrogative form is “Does anyone know?” Here, “does” carries the singular agreement, and “know” is the bare infinitive. Using “anyone know” without an auxiliary verb in a question or statement is generally considered grammatically incomplete or informal.

The Best Trick to Remember the Difference

To remember whether to use “know” or “knows” with “anyone,” think about whether an auxiliary verb (like “does”) is present.

• If “does” is present: Use the base form, “know.” (e.g., Does anyone know?) The “s” is already on “does.”
• If “does” is NOT present (in a statement or subordinate clause): Use the singular present tense form, “knows.” (e.g., If anyone knows, they should tell us.)

This “Swap Test” ensures you maintain proper subject-verb agreement while correctly handling auxiliary verbs.

Word	Part of Speech	Meaning	Example
know	Verb (base form)	To have information, understanding, or skill through experience or study.	Does anyone know the answer to this riddle?
knows	Verb (3rd person singular present)	To have information, understanding, or skill (used with a singular subject in the present tense).	If anyone knows a good mechanic, please recommend them.

How to Use Know

The word “know” is the base form of the verb “to know.” When used with the indefinite pronoun “anyone,” it almost exclusively appears in interrogative sentences (questions) or certain subordinate clauses where an auxiliary verb or modal verb carries the tense and subject-verb agreement.

In questions, “know” follows an auxiliary verb such as “does” or “did.” The auxiliary verb “does” (or “did”) takes the singular agreement with “anyone,” leaving “know” in its infinitive form.

Example 1: Does anyone know how to fix this software glitch?

Example 2: I’m not sure if anyone will know the way to the secret garden.

Example 3: Did anyone know about the surprise party beforehand?

What are the different forms of Know?

“Know” is an irregular verb. Its principal parts are:

• Base form (Present): know (e.g., I know, you know, we know, they know)
• 3rd Person Singular Present: knows (e.g., he knows, she knows, it knows, anyone knows)
• Past Simple: knew (e.g., I knew, he knew, anyone knew)
• Past Participle: known (e.g., I have known, it has been known)
• Present Participle (Gerund): knowing (e.g., knowing the truth, he is knowing)

Etymology of the word Know

The word “know” originates from Old English cnawan, meaning “to perceive, recognize, understand, be acquainted with.” This Old English term can be traced back to Proto-Germanic *knewan, which itself derives from the Proto-Indo-European root *gno-, meaning “to know.” This ancient root is also the source of words like “gnosis” (Greek), “recognize” (Latin via Old French), and “can” (Old English). The initial “k” sound was pronounced in Old English but became silent over time in modern English.

How to Use Knows

The word “knows” is the third-person singular present tense form of the verb “to know.” It is correctly used with “anyone” when “anyone” acts as the singular subject of a declarative sentence or a subordinate clause where no auxiliary verb precedes the main verb.

In these contexts, “anyone” functions as a singular entity, and thus requires the singular verb form “knows” to maintain subject-verb agreement. This is common in statements expressing uncertainty or a conditional possibility.

Example 1: If anyone knows the combination to the safe, please speak up.

Example 2: I doubt anyone knows how much effort went into this project.

Example 3: She wonders if anyone knows the history of this old building.

What are the different forms of Knows?

“Knows” is specifically the third-person singular present tense form of the verb “to know.” It does not have further distinct forms itself, but it is part of the conjugation of the irregular verb “to know.” For a comprehensive list of the verb’s forms, refer to the “What are the different forms of Know?” section above.

Etymology of the word Knows

The etymology of “knows” is identical to that of “know,” as “knows” is simply a conjugated form of the same verb. It derives from the Old English cnawan, stemming from the Proto-Germanic *knewan and the Proto-Indo-European root *gno-, meaning “to know.” The “-s” ending is a standard inflection for the third-person singular present tense in English, reflecting a historical grammatical development.

Related Concepts

Understanding a few core grammar concepts can illuminate why “anyone know” and “anyone knows” are used in specific ways.

• Subject-Verb Agreement: This fundamental rule dictates that the verb in a sentence must agree in number (singular or plural) with its subject. Since “anyone” is a singular subject, it typically requires a singular verb form like “knows.”
• Indefinite Pronouns: Words like “anyone,” “someone,” “everyone,” “no one,” “nothing,” and “everything” are indefinite pronouns. Most indefinite pronouns, including “anyone,” are treated as singular and require singular verbs.
• Auxiliary Verbs: Also known as helping verbs (e.g., “do,” “be,” “have,” “will,” “can”), auxiliary verbs are used with a main verb to form tenses, moods, or voices. When “does” or “did” is used as an auxiliary verb in a question with “anyone,” it carries the subject-verb agreement, and the main verb (“know”) reverts to its base form.

Examples from Media and Literature

These examples illustrate the correct usage of “know” and “knows” in context, particularly with “anyone.”

• “Does anyone know what time the next train arrives?” (Common colloquial question)
• “If anyone knows the whereabouts of the missing artifact, they are urged to contact the authorities immediately.” (News report style)
• “He left a note saying, ‘I wonder if anyone knows the truth about what happened that night.'” (Fictional narrative)
• “The teacher asked, ‘Can anyone know the full extent of the universe?'” (Philosophical question)
• “It’s unlikely anyone knows the secret recipe, as it’s been guarded for generations.” (General statement)

Practice Exercises

Choose the correct word to complete the sentence.

1. Does ______ the answer to this complex problem? (anyone know / anyone knows)
2. If ______ where the keys are, please tell me. (anyone know / anyone knows)
3. I doubt ______ the full story behind her sudden departure. (anyone know / anyone knows)
4. Did ______ about the change in plans for the meeting? (anyone know / anyone knows)
5. The professor asked if ______ the author of that famous quote. (anyone know / anyone knows)

Answer Key

1. anyone know
2. anyone knows
3. anyone knows
4. anyone know
5. anyone knows

Know Synonyms

Synonym	Definition
Understand	To perceive the meaning or nature of something.
Comprehend	To grasp mentally; understand fully.
Be aware of	To have knowledge or perception of a situation or fact.
Be familiar with	To have a good knowledge or understanding of something.
Discern	To perceive or recognize something.

Frequently Asked Questions

Question 1: Is “anyone know” ever grammatically correct on its own?
“Anyone know” is generally not grammatically correct on its own as a complete sentence or clause in standard English. It requires an auxiliary verb like “does” or “did” for questions (e.g., “Does anyone know?”) or other grammatical structures (e.g., “I doubt anyone will know”). Without such support, it sounds incomplete or overly informal.

Question 2: Why is “anyone” considered singular when it refers to multiple people?
Although “anyone” can refer to an unspecified person among many, grammatically it functions as a singular indefinite pronoun. This is a convention of English grammar, similar to “everyone” or “no one,” which also take singular verbs. The singularity reflects the idea of “any single person.”

Question 3: What’s the fundamental difference between when to use “know” and “knows” with “anyone”?
The fundamental difference lies in the sentence structure and the presence of auxiliary verbs. Use “knows” when “anyone” is the singular subject of a declarative statement or a subordinate clause without an auxiliary verb (e.g., “If anyone knows”). Use “know” when an auxiliary verb like “does” or “did” is present in a question, as the auxiliary verb carries the singular agreement (e.g., “Does anyone know?”).

Conclusion

Mastering the distinction between “anyone know” and “anyone knows” primarily involves understanding subject-verb agreement with indefinite pronouns and the role of auxiliary verbs in questions. Remember that “anyone” is singular, requiring “knows” in affirmative statements (e.g., “If anyone knows…”). However, in questions, the auxiliary verb “does” carries the singular conjugation, so the main verb reverts to its base form, “know” (e.g., “Does anyone know?”). Paying attention to these grammatical nuances will enhance the clarity and correctness of your communication.

Pro Tip: When in doubt, mentally insert “does” into your sentence. If it fits naturally before “anyone know,” then “know” is likely the correct choice for a question. If you are making a statement or a conditional clause, and there’s no “does,” then “knows” is almost always the appropriate singular verb form. This precision reflects well on your professional communication.