| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [adv] [vb past] [verb] a | 22 |
|
| 2 | who [adv] [vb past] [to-vb] a | 17 |
|
| 3 | who [adv] [vb past] [verb] a | 17 |
|
| 4 | who [adv] [vb past] [verb] an | 5 |
|
