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Der Wetterbericht warnt vor einem Sturm auf der Havel. The weather report warns of a storm on the Havel.

verb · A2

warnen

[ˈvaʁnən]

to warn

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Other Examples

Grammar

Present
er/sie/es warnt What happens now or usually.
Simple past (Präteritum)
er/sie/es warnte The past in stories and in writing; in speech mostly with sein, haben and the modal verbs.
Perfect (Perfekt)
er/sie/es hat gewarnt The past in conversation. Verbs of movement or change take "ist", most others "hat".

Conjugation

The verb in every person; under each table, when German uses it.

Indikativ
Person Präsens Präteritum Perfekt
ich warnewarntehabe gewarnt
du warnstwarntesthast gewarnt
er/sie/es warntwarntehat gewarnt
wir warnenwarntenhaben gewarnt
ihr warntwarntethabt gewarnt
sie/Sie warnenwarntenhaben gewarnt
Präsens
What happens now or usually; with a time word also the future.
Präteritum
The past in stories and in writing; in speech mostly with sein, haben and the modal verbs.
Perfekt
The past in conversation.
More Tenses and Moods
Indikativ
Person Plusquamperfekt Futur I Futur II
ich hatte gewarntwerde warnenwerde gewarnt haben
du hattest gewarntwirst warnenwirst gewarnt haben
er/sie/es hatte gewarntwird warnenwird gewarnt haben
wir hatten gewarntwerden warnenwerden gewarnt haben
ihr hattet gewarntwerdet warnenwerdet gewarnt haben
sie/Sie hatten gewarntwerden warnenwerden gewarnt haben
Plusquamperfekt
What had happened before another moment in the past.
Futur I
Plans, promises and guesses about the future; often the Präsens is enough.
Futur II
What will be finished by a moment in the future, or a guess about the past.
Person Konjunktiv II
ich warnte
du warntest
er/sie/es warnte
wir warnten
ihr warntet
sie/Sie warnten
Konjunktiv II
Wishes, polite requests and what isn't real.

The same as the Präteritum, so German mostly says "würde" + infinitive instead: ich würde warnen.

Person Imperativ
du warn!
ihr warnt!
Sie warnen Sie!
Imperativ
Requests and instructions to du, ihr and Sie.

How the Word Is Built

warn root en ending

-en
the ending of the infinitive, the form of a verb in the dictionary.

Word family

die Warnung

In Otti's situations: Otti and the weather report, Otti almost falls for a scam

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