| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [det] | 370 |
|
| 2 | [modal v] have been [conj] | 236 |
|
| 3 | [modal v] have [det] [conj] | 80 |
|
| 4 | have been [det] [conj] | 57 |
|
