| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pron] [vb past] [prep] | 1221 |
|
| 2 | [verb] what [vb past] [prep] | 648 |
|
| 3 | [vb past] what [verb] [prep] | 229 |
|
| 4 | [vb past] [Wh det] [vb past] [prep] | 184 |
|
| 5 | [vb past] what [vb past] [prep] | 165 |
|
