| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] if it [verb] not been | 17 |
|
| 2 | [coord] if it have not been | 17 |
|
| 3 | [coord] if it [verb] not been | 17 |
|
| 4 | and if it [verb] not been | 14 |
|
| 5 | [coord] if it [vb past] not been | 14 |
|
| 6 | [coord] if it had not been | 14 |
|
| 7 | [coord] if it [verb] n't been | 10 |
|
| 8 | [coord] if it [verb] not been | 7 |
|
