| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [Wh det] [vb -s] not been | 10 |
|
| 2 | [noun prp] [Wh det] has not be | 10 |
|
| 3 | [noun prp] which [vb -s] not be | 10 |
|
| 4 | spr [Wh det] [vb -s] not be | 6 |
|
