| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] n't [pers pn] [vb infin] | 1930 |
|
| 2 | [verb] n't [pers pn] [vb infin] [subord] | 28 |
|
| 3 | why [verb] [pers pn] [vb infin] [subord] | 18 |
|
