This is the 12288th most frequent Swedish word.
semifinalerna
"Semifinalerna" means "the semifinals" in English.
Semifinalerna is used here as a subject representing the semifinals in a sports context, emphasizing their nature.
Semifinalerna i fotboll är alltid spännande.
The semifinals in football are always exciting.
Semifinalerna functions here as the object of the action (watching), specifying what was watched.
Vi tittade på semifinalerna på TV igår kväll.
We watched the semifinals on TV last night.
Semifinalerna is utilized to define the context (results from a specific phase) in a sentence indicating an upcoming event.