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Home / Verb conjugator / kennen

Updated 22 October 2026

kennen

to know (a person, a place)

irregularPerfekt with habenlevel A1
Infinitivekennen
Present (er)kennt
Präteritum (er)kannte
Perfekt (er)hat gekannt

Good to know. Irregular (strong) verb: the stem changes. Learn the key forms together and the rest follows.

kennen in every tense

The three you'll use most are highlighted: Präsens for now, Perfekt for the past when you speak, Futur I for later.

Präsens

now

ichkenneI know
dukennstyou know
er/sie/eskennthe/she knows
wirkennenwe know
ihrkenntyou know
sie/Siekennenthey know

Präteritum

past, mostly written

ichkannteI knew
dukanntestyou knew
er/sie/eskanntehe/she knew
wirkanntenwe knew
ihrkanntetyou knew
sie/Siekanntenthey knew

Perfekt

past, spoken, with haben

ichhabe gekanntI have known
duhast gekanntyou have known
er/sie/eshat gekannthe/she has known
wirhaben gekanntwe have known
ihrhabt gekanntyou have known
sie/Siehaben gekanntthey have known

Plusquamperfekt

had done

ichhatte gekanntI had known
duhattest gekanntyou had known
er/sie/eshatte gekannthe/she had known
wirhatten gekanntwe had known
ihrhattet gekanntyou had known
sie/Siehatten gekanntthey had known

Futur I

will do

ichwerde kennenI will know
duwirst kennenyou will know
er/sie/eswird kennenhe/she will know
wirwerden kennenwe will know
ihrwerdet kennenyou will know
sie/Siewerden kennenthey will know

Imperativ

telling someone to do it

duKenn!
ihrKennt!
SieKennen Sie!

kennen in use

  • A1

    Kennst du Anna?

    Do you know Anna?

  • A1

    Ich kenne ein gutes Restaurant.

    I know a good restaurant.

  • B1

    Wir kannten uns schon als Kinder.

    We knew each other as children.

Phrases

Good to know

  • kennen = know a person or place; wissen = know a fact.
  • Mixed verb: kannte, gekannt.
  • Goes with: jemanden / etwas (Akkusativ) kennen

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Frequently Asked Questions

Is kennen with haben or sein in the Perfekt?

kennen takes haben. For example: habe gekannt.

What is the past tense of kennen?

Präteritum: kannte. Perfekt: habe gekannt.

Is kennen a regular verb?

No, it's irregular (strong): the stem changes.