| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] [been] [vb pp] [prep] | 817 |
|
| 2 | [vb past] [been] [vb pp] [prep] [det] | 612 |
|
| 3 | who [vb past] [vb pp] [prep] [det] | 44 |
|
| 4 | who [vb past] [been] [prep] [det] | 11 |
|
