| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if they [verb] n't [vb infin] | 429 |
|
| 2 | but they [verb] n't [vb infin] | 387 |
|
| 3 | but if they [verb] n't | 27 |
|
| 4 | but if they [verb] [vb infin] | 5 |
|
