| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] not been | 954 |
|
| 2 | it have not been | 954 |
|
| 3 | it [verb] not been | 550 |
|
| 4 | it had not been | 518 |
|
| 5 | it [vb past] not been | 518 |
|
| 6 | it [vb -s] not been | 435 |
|
| 7 | it [verb] n't been | 404 |
|
| 8 | it has not been | 371 |
|
| 9 | it 's not been | 64 |
|
