| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun prp] [noun] has not be | 7 |
|
| 2 | [prep] [noun prp] [noun] [vb -s] not been | 7 |
|
| 3 | [prep] [noun prp] [noun sg] [vb -s] not be | 5 |
|
