| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not yet been [vb pp] | 470 |
|
| 2 | not been [vb pp] for | 156 |
|
| 3 | yet been [vb pp] for | 25 |
|
| 4 | not yet [vb pp] for | 24 |
|
