| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [verb] a | 20644 |
|
| 2 | [Wh det] [verb] a | 8136 |
|
| 3 | [Wh det] [vb past] [verb] | 7481 |
|
| 4 | [Wh det] [vb past] a | 2674 |
|
