| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [modal v] [verb] | 82019 |
|
| 2 | [vb past] i [verb] | 7786 |
|
| 3 | [vb past] i [modal v] | 2795 |
|
| 4 | [vb past] [modal v] [verb] | 496 |
|
