| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [verb] | 7119 |
|
| 2 | some have been [verb] | 75 |
|
| 3 | some [modal v] have [verb] | 57 |
|
| 4 | some [modal v] have been | 21 |
|
