| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have been | 5645 |
|
| 2 | [Wh pn] had been | 3094 |
|
| 3 | [Wh pn] have been | 1074 |
|
| 4 | [Wh pn] has been | 945 |
|
| 5 | [Wh pn] 's been | 226 |
|
| 6 | [Wh pn] 'd been | 216 |
|
| 7 | [Wh pn] 've been | 190 |
|
| 8 | whom have been | 96 |
|
| 9 | whoever have been | 11 |
|
