| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if it [verb] not been | 252 |
|
| 2 | it [verb] not [adv] been | 113 |
|
| 3 | if it [verb] [adv] been | 52 |
|
| 4 | if it [verb] not [adv] | 36 |
|
