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Remember this!

The present tense form of 'know' is know or knows. Example: He knows how to play the guitar. (He knows how to play the guitar.)

Definition of “know”

to have information or understanding about something
to be familiar or acquainted with someone or something
to be certain or sure about something

Tense sentence structure and examples:

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Notes from a Native English Speaker

Here are the general structures of a present and past participle. Remember, some verbs have an irregular form and may not follow this structure: Present Participle: [Verb] -ing Past Participle: [Verb] -ed

Present Simple	know
Present Continuous	am/knowing
Present Perfect	have/has known

Present Simple

The simple present tense is used to describe habitual, regular, or general facts.

Subject + Verb + (Object)

Example

I know the answer to the question.

Example

She knows how to swim.

Present Continuous

The present continuous tense is used to describe actions happening at the moment of speaking or future plans.

Subject + am/is/are + Present Participle + (Object)

Example

I am knowing what to do next.

Example

They are knowing the details of the plan.

Present Perfect

The present perfect tense is used to indicate actions completed at some point in the past but relevant to the present.

Subject + have/has + Past Participle + (Object)

Example

I have known him for many years.

Example

She has known the truth all along.

know Subject-Verb Agreement

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Notes from a Native English Speaker

Subject-verb agreement means that a subject and its verb match. They’re either both plural or both singular. A singular subject takes a singular verb. - Example: The cat is sleeping. A plural subject takes a plural verb. - Example: The cats are sleeping.

In the present tense, 'know' follows the typical rule of adding 's' when the subject is third person singular (he, she, it), but it remains the same for all other subjects (first person, second person, and plural subjects).