| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have been [verb] | 3325 |
|
| 2 | who have [verb] [noun prp] | 541 |
|
| 3 | have been [verb] [noun prp] | 422 |
|
| 4 | who have been [noun prp] | 31 |
|
