| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but if it [verb] [adv] [vb infin] | 8 |
|
| 2 | but if it [verb] not [vb infin] | 8 |
|
| 3 | but if it [verb] [not/n't] [vb infin] | 8 |
|
| 4 | but if it [verb] n't [vb infin] | 7 |
|
