| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been [prep] [num] | 28 |
|
| 2 | [modal v] have been [prep] [num] | 28 |
|
| 3 | would have been [prep] [num] | 14 |
|
| 4 | would have been [prep] [num] | 13 |
|
| 5 | must have been [prep] [num] | 11 |
|
| 6 | must have been [prep] [num] | 11 |
|
| 7 | [modal v] have been in [num] | 9 |
|
| 8 | [modal v] have been [prep] one | 5 |
|
