| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that have been [vb pp] | 2778 |
|
| 2 | [vb -s] have been [vb pp] | 477 |
|
| 3 | [vb -s] that have [vb pp] | 74 |
|
| 4 | [vb -s] that have been | 45 |
|
