| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] not been [prep] | 67 |
|
| 2 | it had not [been] [prep] | 67 |
|
| 3 | it [vb past] not [been] [prep] | 67 |
|
| 4 | it [vb past] not [been] for | 61 |
|
| 5 | it [vb past] not [been] for | 61 |
|
