| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [verb] | 7119 |
|
| 2 | this have been [verb] | 779 |
|
| 3 | this [modal v] have been | 407 |
|
| 4 | this [modal v] have [verb] | 355 |
|
