| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] [been] [prep] [noun] | 137 |
|
| 2 | [indef pn] who [vb past] [prep] [noun] | 59 |
|
| 3 | [indef pn] who [vb past] [been] [prep] | 16 |
|
| 4 | [indef pn] [vb past] [been] [prep] [noun] | 5 |
|
