| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it [vb mod] have been [prep] | 19 |
|
| 2 | [coord] it [modal v] have been [prep] | 19 |
|
| 3 | but it [modal v] have been [prep] | 11 |
|
| 4 | [coord] it may have been [prep] | 7 |
|
| 5 | [coord] it may have been [prep] | 7 |
|
| 6 | and it [modal v] have been [prep] | 7 |
|
| 7 | [coord] it could have been [prep] | 6 |
|
| 8 | [coord] it could have been [prep] | 6 |
|
| 9 | [coord] it must have been [prep] | 5 |
|
| 10 | [coord] it must have been [prep] | 5 |
|
