There is required-agreement between the syntactic head and its dependent when label = req-agree else any observed agreement is purely by chance (label = chance-agree)
| Rules | Label | Examples | Test Examples | |||
|---|---|---|---|---|---|---|
| dependent with Aspect | dependent's head with Aspect | dependent's head is a AUX with VerbForm | dependent's head with Mood | |||
| Perf | Perf | Fin | Sub | |||
| N | N | - | N | req-agree | Examples | la_ittb |
| N | N | - | Y | chance-agree | Examples | la_ittb |
| N | Y | - | - | chance-agree | Examples | la_ittb |
| Y | N | - | - | chance-agree | Examples | la_ittb |
| Y | Y | N | - | req-agree | Examples | la_ittb |
| Y | Y | Y | - | chance-agree | Examples |