| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [not/n't] [pers pn] | 1546 |
|
| 2 | [vb past] do [not/n't] [pers pn] | 18 |
|
| 3 | [vb past] why do [not/n't] | 17 |
|
| 4 | [vb past] why do [pers pn] | 5 |
|
