Questions & Answers about Huminto ang kotse sa kalsada.
With actor-focus -um- verbs, the actor appears in the ang phrase. ng marks non-pivot nouns (like objects or agents in other voices). Compare:
- Huminto ang kotse. = The car stopped. (actor pivot)
- Itinigil ng drayber ang kotse. = The driver stopped the car. (patient pivot; agent marked by ng)
Use sa with an action verb to indicate where the action occurs: Huminto ang kotse sa kalsada.
Use nasa when the location itself is the predicate: Nasa kalsada ang kotse. = “The car is on the road.”