The verb lassen

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The verb lassen

The verb lassen (to leave / to let) is irregular. It’s conjugated like this:

ich lasse
du lässt
er/sie/es lässt
wir lassen
ihr lasst
sie/Sie lassen

Lassen is used:

  • as a verb in its own right meaning to stop doing something:

Lass das!

Stop that!

Warum lässt er das nicht?

Why does he keep doing that? / Why doesn't he leave it at that?

  • as an auxiliary verb can have various meanings:

Du lässt deine Kleidung nicht auf dem Boden liegen. (= etwas zurücklassen)

Don’t you leave your clothes lying all over the floor!

Ich lasse meinen Hund im Bett schlafen. (= Erlaubnis)

I let my dog sleep in my bed.

Ich lasse mir die Haare schneiden. (= etwas von jemandem machen lassen)

I’ll leave the light on.

Lasst uns nach Hause gehen! (= Vorschlag)

Let’s go home.

Note: As an auxiliary verb, lassen (to leave / to let) is always used with an infinitive.

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