| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] [adv] [vb pp] on | 17 |
|
| 2 | [Wh pn] [vb past] [adv] [vb pp] on | 17 |
|
| 3 | [Wh pn] [vb past] [adv] [vb pp] on | 17 |
|
| 4 | [Wh pn] had [adv] [vb pp] on | 16 |
|
