| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] who [vb past] [prep] [noun] | 161 |
|
| 2 | who [vb past] [been] [prep] [noun] | 137 |
|
| 3 | [det] who [vb past] [been] [prep] | 25 |
|
| 4 | [det] [vb past] [been] [prep] [noun] | 9 |
|
