| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that have been [verb] | 3091 |
|
| 2 | [verb] have been [verb] | 2809 |
|
| 3 | [verb] that have [verb] | 234 |
|
| 4 | [verb] that have been | 130 |
|
