| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have not yet be [vb pp] | 8 |
|
| 2 | who have not yet be [vb pp] | 8 |
|
| 3 | who have not yet been [vb pp] | 8 |
|
| 4 | who have not yet be [vb pp] | 5 |
|
