Questions & Answers about Heillä on hyvä suhde.
Literally, heillä means something like at them, with them, or in their possession.
In this sentence, it is how Finnish expresses they have. So:
- heillä on = they have
- literal structure = at them is
This is a very common Finnish pattern.
Heillä is the adessive form of he.
- he = they
- adessive ending = -lla / -llä
- he + illä gives heillä
With pronouns, these forms are learned as whole forms:
- minulla = I have
- sinulla = you have
- hänellä = he/she has
- meillä = we have
- teillä = you plural / you formal have
- heillä = they have
The adessive often has meanings like on, at, or with, depending on context.