| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [n mass] who [vb past] been | 107 |
|
| 2 | people [Wh pn] [vb past] been | 99 |
|
| 3 | [n mass] [Wh pn] had been | 91 |
|
| 4 | [n mass] [Wh pn] 'd been | 16 |
|
| 5 | staff [Wh pn] [vb past] been | 5 |
|
