| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] [prep] | 9041 |
|
| 2 | [vb past] [prep] this | 2373 |
|
| 3 | who [vb past] this | 298 |
|
| 4 | who [prep] this | 42 |
|
