| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] have been | 3771 |
|
| 2 | [coord] it have been | 829 |
|
| 3 | [coord] it [modal v] have | 590 |
|
| 4 | [coord] [modal v] have been | 348 |
|
