| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb base] been | 1239 |
|
| 2 | [Wh pn] have been | 1074 |
|
| 3 | [Wh pn] 've been | 190 |
|
| 4 | whom [vb base] been | 25 |
|
