| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] on [noun] | 176 |
|
| 2 | who [vb past] [been] [noun] | 141 |
|
| 3 | [vb past] [been] on [noun] | 133 |
|
| 4 | who [vb past] [been] on | 59 |
|
