| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] have been [prep] | 4020 |
|
| 2 | what [pers pn] have been | 756 |
|
| 3 | what [pers pn] have [prep] | 327 |
|
| 4 | what have been [prep] | 26 |
|
