| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [adj] | 4803 |
|
| 2 | who have been [adj] | 595 |
|
| 3 | who [modal v] have been | 242 |
|
| 4 | who [modal v] have [adj] | 57 |
|
