| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do n't [pers pn] [verb] | 1935 |
|
| 2 | [vb past] why do n't [pers pn] | 23 |
|
| 3 | [vb past] do n't [pers pn] [verb] | 16 |
|
| 4 | [vb past] why do [pers pn] [verb] | 12 |
|
