Breakdown of Pas toen ik bij de gate stond, vond ik mijn instapkaart terug.
ik
I
mijn
my
staan
to stand
bij
at / near / by
Questions & Answers about Pas toen ik bij de gate stond, vond ik mijn instapkaart terug.
Why do we use pas toen here instead of pas als?
Both phrases translate to "only when" or "not until," but toen is strictly used for a single event in the past. Since you found the boarding pass in the past (indicated by stond and vond), you must use pas toen. For present or future conditions, you would use pas als.
Why does the second part of the sentence say vond ik instead of ik vond?
This is caused by the verb-second (V2) rule. The entire fronted conditional clause (Pas toen ik bij de gate stond) acts as the first element of the main sentence. The main verb (vond) must come exactly in the second position, forcing the subject (ik) to slide behind it.
If I put the main clause first instead, how does the sentence change?
It becomes: Ik vond mijn instapkaart pas terug toen ik bij de gate stond. Notice that when the condition isn't fronted, pas acts as a normal adverb in the main clause, separating from toen. Pulling them together at the front (Pas toen) adds stronger emphasis.
What is terug doing at the end of the sentence?