Know past tense and past participleknow · knew · known
The past participle (the 3rd form) of know is known and the past simple is knew. The three forms are know, knew, known. Not "knowed"! know is an irregular verb, so it doesn't add -ed.
Know in a sentence
I knew the answer. I promise.
| Tense | Example |
|---|---|
| Present simple | I know · she knows |
| Past simple | I knew · she knew · they knew |
| Past simple, negative | I didn't know · she didn't know |
| Past simple, question | Did you know? · Did she know? |
| Present perfect | I have known · she has known |
| Past perfect | I had known |
| Future | I will know |
Common mistakes with know
✗ I knowed✓ I knew✗ I didn't knew✓ I didn't know✗ Did you knew?✓ Did you know?✗ I have knew✓ I have known
After didn't and in questions with did, use the base form. After have / has / had, use the past participle.
❓ Test yourself: 10-question quizEn español
know significa saber, conocer. Pasado: knew. Participio: known.
🌬️ know runs with The Blown Away Gang
ow → ew → own
Something blew through this neighbourhood, and every witness tells the same story. In the past the suspects whistled "ew": blew, knew, grew, threw, flew, drew. In the participle they left an -n behind: blown, known, grown, thrown, flown, drawn. show is the double agent: showed in the past, shown in the participle.
🔎 How to spot one: The past ends in -ew. The participle ends in -n.
Irregular verbs come in gangs that change the same way. Learn one and you can guess the rest of the gang:
| Base | Past | Participle |
|---|---|---|
| blow | blew | blown |
| know | knew | known |
| grow | grew | grown |
| throw | threw | thrown |
| fly | flew | flown |
| draw | drew | drawn |
| show | showed | shown / showed |
Questions about know
What is the past tense of know?
The past simple of "know" is "knew". Example: I knew the answer. I promise.
What is the past participle of know?
The past participle (3rd form, V3) of "know" is "known", as in "I have known".
What are the 3 forms of know?
V1 know, V2 knew, V3 known.
Is know a regular or an irregular verb?
"know" is an irregular verb: the past is not "knowed" but "knew".
¿Cuál es el pasado y el participio de know?
"know" significa "saber, conocer". Pasado: knew. Participio: known.