| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] have been [prep] | 230 |
|
| 2 | [adj] it [modal v] have been | 71 |
|
| 3 | [adj] [modal v] have been [prep] | 49 |
|
| 4 | [adj] it have been [prep] | 19 |
|
