| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [pers pn] have been [prep] | 211 |
|
| 2 | [pers pn] must have been [prep] | 154 |
|
| 3 | [coord] [pers pn] must have been | 110 |
|
| 4 | [coord] [pers pn] must have [prep] | 5 |
|
