| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] i [verb] n't [vb infin] | 145 |
|
| 2 | reason i [verb] n't [vb infin] | 18 |
|
| 3 | reason [Wh adv] i [verb] n't | 8 |
|
