| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] have been [adj] | 1070 |
|
| 2 | [modal v] have been in [adj] | 81 |
|
| 3 | it [modal v] have been in | 65 |
|
| 4 | it have been in [adj] | 34 |
|
