| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [verb] [Wh det] | 1288 |
|
| 2 | [vb past] or [verb] | 703 |
|
| 3 | or [verb] [Wh det] | 209 |
|
| 4 | [vb past] or [Wh det] | 29 |
|
