| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [det] [modal v] have been [verb] | 6 |
|
| 2 | [det] [det] [vb mod] have been [verb] | 6 |
|
| 3 | [det] [det] [modal v] have been [vb pp] | 6 |
|
| 4 | all [det] [modal v] have been [verb] | 5 |
|
