| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] [pers pn] [prep] | 1002 |
|
| 2 | [vb past] [pers pn] [prep] [num] | 915 |
|
| 3 | who [vb past] [prep] [num] | 438 |
|
| 4 | who [vb past] [pers pn] [num] | 17 |
|
