| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [verb] | 7119 |
|
| 2 | these have been [verb] | 220 |
|
| 3 | these [modal v] have been | 53 |
|
| 4 | these [modal v] have [verb] | 38 |
|
