Ich lasse mein Auto reparieren.I'm getting my car repaired.
lassen plus a bare infinitive has two uses. It can mean have / get something done by someone else (the causative), or let / allow something to happen (the permissive). Context tells the two apart — the grammar is identical.
Quick shortcut: lassen + object + infinitive without zu. Ich lasse den Text übersetzen (I'm having the text translated) or Ich lasse ihn gehen (I let him go). In the perfect it's a double infinitive: Ich habe den Text übersetzen lassen.
Causative: have something done
You're not doing the action yourself — someone else is, at your instigation:
- Wir lassen das Haus streichen. (We're having the house painted.)
- Sie lässt sich die Haare schneiden. (She's getting her hair cut.)
- Ich muss den Vertrag prüfen lassen. (I need to have the contract checked.)
This is how German usually says "get / have something done" — there's no separate construction like English have + past participle.
Permissive: let or allow
Here lassen means you permit or don't prevent something:
- Meine Eltern lassen mich nicht ausgehen. (My parents don't let me go out.)
- Lass mich schlafen! (Let me sleep!)
- Sie lässt die Kinder im Garten spielen. (She lets the children play in the garden.)
Ich lasse die Kinder spielen (let them play) and Ich lasse die Kinder das Zimmer aufräumen (have them tidy the room) use the same pattern — only the situation decides which reading fits.
Who does the action
If you name the person doing the work, they go in the accusative:
- Ich lasse den Mechaniker das Auto reparieren.
- Sie lässt ihn warten.
Note this is different from erlauben, which takes the dative: Meine Eltern erlauben mir nicht auszugehen — but Meine Eltern lassen mich nicht ausgehen.
When the thing is done for your own benefit, add a dative reflexive pronoun:
- Ich lasse mir einen Anzug machen. (I'm having a suit made.)
- Er lässt sich ein Taxi rufen. (He's getting a taxi called for him.)
In the perfect: double infinitive
Like the modal verbs, lassen forms its perfect with a double infinitive — lassen, not gelassen, and it stands at the very end:
- Ich habe mein Auto reparieren lassen. (not ❌ …reparieren gelassen)
- Sie hat sich die Haare färben lassen.
- …, weil wir das Haus haben streichen lassen. (in a subordinate clause, the finite haben jumps in front of the double infinitive)
Only when lassen is the full verb "to leave" does it keep a normal past participle: Ich habe meinen Schlüssel zu Hause gelassen. (I left my key at home.)
sich lassen: "can be done"
sich lassen + infinitive is a common, lighter alternative to the passive with können:
- Das lässt sich machen. = Das kann gemacht werden. (That can be done.)
- Die Tür lässt sich nicht öffnen. (The door won't open / can't be opened.)
- Der Fleck lässt sich leicht entfernen. (The stain comes out easily.)
lassen on its own
As a full verb, lassen means leave (something somewhere) or stop:
- Lass die Tasche hier. (Leave the bag here.)
- Lass das! (Stop that!)
- Ich kann es nicht lassen. (I can't help it / can't stop doing it.)
Common mistakes
- ❌ Ich lasse mein Auto zu reparieren. → ✅ Ich lasse mein Auto reparieren. (bare infinitive, no zu)
- ❌ Ich habe mein Auto reparieren gelassen. → ✅ Ich habe mein Auto reparieren lassen. (double infinitive in the perfect)
- ❌ Ich lasse reparieren mein Auto. → ✅ Ich lasse mein Auto reparieren. (infinitive goes last)
- ❌ Meine Eltern lassen mir nicht ausgehen. → ✅ Meine Eltern lassen mich nicht ausgehen. (lassen + accusative; mir would be erlauben)
- For "the door can't be opened", use Die Tür lässt sich nicht öffnen. Die Tür kann sich nicht öffnen is grammatical but means the door itself is unable to open.
Quick check
Try putting each sentence into the form shown.
- "Have the windows cleaned" — Wir ___ die Fenster ___.
- "My boss let me leave early" (perfect) — Mein Chef ___ mich früher gehen ___.
- "The problem can be solved" (with sich lassen) — Das Problem ___ ___ lösen.
- "She's having a photo taken of herself" — Sie ___ ___ fotografieren.
Show answers
- Wir lassen die Fenster putzen.
- Mein Chef hat mich früher gehen lassen. (double infinitive)
- Das Problem lässt sich lösen.
- Sie lässt sich fotografieren. (here sich is accusative — she has herself photographed; compare Sie lässt sich ein Foto machen, where sich is dative and ein Foto is the accusative object)
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Key takeaways
- lassen + bare infinitive = have something done (causative) or let something happen (permissive) — same grammar, context decides.
- The person doing the work goes in the accusative (Ich lasse ihn warten); erlauben takes the dative instead.
- "Done for myself" → a dative reflexive: Ich lasse mir die Haare schneiden.
- Perfect = double infinitive: Ich habe es machen lassen, never gelassen — unless lassen means "leave" (Ich habe es zu Hause gelassen).
- sich lassen + infinitive = "can be done": Das lässt sich machen.