| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [modal v] have been [verb] | 358 |
|
| 2 | [modal v] have been [verb] from | 139 |
|
| 3 | which have been [verb] from | 125 |
|
| 4 | which [modal v] have [verb] from | 26 |
|
