Sizin yedek oyuncunuz zaten seçildi.
 - Your substitute has already been picked out.
O sınıf, okulun ilk haftası için bir yedek öğretmene sahipti.
 - That class had a substitute teacher for the first week of school.
Bir yedek öğretmen olarak iş buldum.
 - I've taken a job as a substitute teacher.
He was playing poorly and was substituted after twenty minutes.