| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] [noun] [noun] [prep] | 280 |
|
| 2 | who [vb past] been [noun] [prep] | 83 |
|
| 3 | [vb past] been [noun] [noun] [prep] | 52 |
|
| 4 | who [vb past] been [noun] [noun] | 21 |
|
