| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pron] | 364762 |
|
| 2 | [verb] what | 48848 |
|
| 3 | [vb past] [Wh det] | 6106 |
|
| 4 | [vb past] what | 5546 |
|
