| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun] who [vb past] [prep] | 441 |
|
| 2 | [noun] who [vb past] [been] [prep] | 184 |
|
| 3 | a [noun] who [vb past] [been] | 153 |
|
| 4 | a [noun] [vb past] [been] [prep] | 11 |
|
