| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] not been for | 64 |
|
| 2 | [vb past] not be for | 64 |
|
| 3 | [vb past] not [been] for | 64 |
|
| 4 | had not [be] for | 64 |
|
