Breakdown of Ich laufe zur Haustür, sobald der Postbote klingelt.
ich
I
zur
to the (zu + der)
laufen
to walk / to run (steady pace, jog)
klingeln
to ring
sobald
as soon as
der Postbote
the postman
die Haustür
the front door
Questions & Answers about Ich laufe zur Haustür, sobald der Postbote klingelt.
Why does the verb klingelt go at the very end of the sentence?
The word sobald (as soon as) is a subordinating conjunction. In German, these types of conjunctions push the conjugated verb to the very end of their clause. That is why klingelt comes after der Postbote instead of right next to sobald.
Could I swap the two halves of this sentence around?
Yes! You can start with the subordinate clause: Sobald der Postbote klingelt, laufe ich zur Haustür. Notice that in the main clause, the verb laufe now comes right after the comma. This happens because the entire sobald clause occupies the first position, so the verb laufe must take the second position to satisfy the German verb-second rule.
Why do we use zur here instead of just zu?
zur is a handy contraction of zu der. The preposition zu always requires the dative case. Since Haustür (front door) is a feminine noun, its article changes from die to der in the dative case. Combining them gives us zur.
Is the comma before sobald required?
Yes. Unlike in English, German grammar strictly requires a comma to separate a main clause from a subordinate clause. It acts as a clear visual boundary before the sobald condition begins.
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