| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] [prep] [noun] | 2536 |
|
| 2 | [vb past] [prep] several [noun] | 212 |
|
| 3 | who [vb past] several [noun] | 24 |
|
| 4 | who [vb past] [prep] several | 13 |
|
