| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] not been [verb] [prep] this | 10 |
|
| 2 | [vb past] not [been] [vb pp] [prep] this | 10 |
|
| 3 | [vb past] not [been] [verb] [prep] this | 10 |
|
| 4 | had not [been] [verb] [prep] this | 10 |
|
| 5 | [vb past] not [been] [verb] [prep] this | 8 |
|
