| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have been [vb pp] [prep] | 1226 |
|
| 2 | have been [vb pp] off [prep] | 179 |
|
| 3 | who have been [vb pp] off | 9 |
|
| 4 | who have [vb pp] off [prep] | 8 |
|
