This is the 515th most frequent Catalan word.
tens
"You have" (second person singular present of "tenir").
In this sentence, 'tens' is used to inquire about a scheduled event, implying possession of an obligation.
Quan tens l'examen, avui o demà ?
When do you have the exam, today or tomorrow?
Here, 'tens' refers to the availability of time, indicating the concept of having a resource.
Si tens temps, podem anar al cinema.
If you have time, we can go to the cinema.
The word 'tens' is the second-person singular present indicative form of the verb 'tenir' (to have). Here, it asks possession of an item.