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Verb forms of know

know means “to know” in English. It is irregular: some of its forms don't follow the default pattern. It is one of the 25 most frequent verbs in this collection.

The forms of know

The core forms of know are: third person knows, present participle knowing, past simple knew, past participle known. Because it is irregular, at least one of these is not what the regular rule would predict.

know in a sentence

In a sentence, know looks like this: She knows the answer to this question.. The example shows the context the form turns up in.

Tenses and CEFR levels

This page lists 4 tenses and moods of know, grouped by CEFR level. The third person (A1) is free to practise in Verboteca; Premium opens every tense and mood up to the advanced levels.

FAQ

What does “know” mean in English?

know means “to know”.

Is know regular or irregular?

know is an irregular English verb: some of its forms don't follow the regular pattern.

Conjugation tables

A1 — Beginner

third personrules and examples

knows
She knows the answer to this question.

present participlerules and examples

knowing
Knowing two languages helps a lot.

A2 — Elementary

past simplerules and examples

knew
I knew him when we were children.

past participlerules and examples

known
We have known each other for years.

Memorize every form of "know"

Verboteca turns each form into a card and brings it back at a growing interval as you keep getting it right.