The affix “se-nya” as a conjunction is used in a limited way in certain words of the type of verbs, adjectives, or adverbs.
- Kami akan membeli mobil baru sekiranya ada uang lebih.
- We’d buy a new car if we had more money.
Sekiranya can be replaced with ‘seandainya’ or ‘kalau’ which have the same meaning.
- Sebaiknya kamu tidak berpacaran dengan gadis itu.
- You better not date that girl.