| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [modal v] have been [prep] [det] | 7 |
|
| 2 | [conj] [vb mod] have been [prep] [det] | 7 |
|
| 3 | [conj] [modal v] have been [prep] [det] | 7 |
|
