| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] not of [been] | 6 |
|
| 2 | [vb mod] not of [been] | 6 |
|
| 3 | [vb mod] not [prep] been | 6 |
|
| 4 | [vb mod] not [prep] [been] | 6 |
|
