| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [adj] | 4803 |
|
| 2 | it [modal v] have been | 3771 |
|
| 3 | it have been [adj] | 1262 |
|
| 4 | it [modal v] have [adj] | 224 |
|
