| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] if they do n't [vb infin] | 9 |
|
| 2 | [vb infin] if they [verb] n't [vb infin] | 9 |
|
| 3 | [vb infin] if they [vb base] n't [vb infin] | 5 |
|
| 4 | [vb infin] if they do n't [vb infin] | 5 |
|
