What is the Past Tense of Know?

Answer: The past tense of ‘know’ is ‘knew’.

Complete Explanation:

The verb ‘know’ is an irregular verb, meaning it does not follow the regular ‘-ed’ rule for past tense formation. Instead of changing to ‘knowed’, it changes completely to ‘knew’ in the past tense.

Example Sentences:

I knew the answer to the question.
She knew how to solve the problem.
They knew about the surprise party in advance.

Verb Forms of ‘Know’

Tense	Verb Form	Example Sentence
Present	know	I know the answer.
Past	knew	I knew the answer.
Past Participle	known	I have known him for years.

‘Knew’ vs. ‘Known’ – What’s the Difference?

Many students confuse ‘knew’ and ‘known’.

• ‘Knew’ is the simple past tense and is used alone. Example: I knew the truth.
• ‘Known’ is the past participle and is used with helping verbs (has, have, had). Example: I have known her for a long time.

Fun Fact About ‘Know’

The English word ‘know’ comes from the Old English word ‘cnawan’, which means ‘to perceive or recognize.’ Over time, the spelling and pronunciation changed, but its meaning remains similar!

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