Object focus uses -in (or i-)
The thing acted on is the focus, marked by ang.
📊 Object-focus aspect (basa 'read')
| Aspect | Form |
| infinitive | basahin |
| completed | binasa |
| incompleted | binabasa |
| contemplated | babasahin |
💬 Examples
Kinain ng bata ang mansanas.
The child ate the apple.
📝 -in object focus (completed: kinain)
Babasahin ko ang libro.
I will read the book.
📝 basa → babasahin (contemplated)