Past simple and past participle
know
Know is an irregular verb: its past simple is knew and its past participle is known.
- Base form
- know
- Past simple
- knew
- Past participle
- known
- Definition
- Be aware of through observation, inquiry, or information.
- Example
- “Most people know that CFCs can damage the ozone layer.”
- CEFR level
- A1On the CEFR scale, from A1 (beginner) to C2 (proficient).
- Pattern
- The three forms are different, like begin, began, begun.