| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [vb pp] if it [verb] not | 17 |
|
| 2 | [vb infin] [vb pp] if it [verb] not | 16 |
|
| 3 | have [vb pp] if it [verb] not | 15 |
|
| 4 | have [vb pp] if it [verb] not | 14 |
|
| 5 | [be] [vb pp] if it [verb] not | 6 |
|
| 6 | be [vb pp] if it [verb] not | 6 |
|
| 7 | [vb pp] if it [verb] not been | 13 |
|
| 8 | [vb pp] if it [verb] not [be] | 13 |
|
| 9 | [vb pp] if it [verb] not be | 13 |
|
| 10 | [vb pp] if it [verb] not [been] | 13 |
|
| 11 | [vb pp] if it [verb] not [verb] | 5 |
|
