| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [not/n't] [pers pn] [verb] | 1951 |
|
| 2 | [no cls] do [not/n't] [pers pn] [verb] | 31 |
|
| 3 | [no cls] why do [not/n't] [pers pn] | 22 |
|
| 4 | [no cls] why do [pers pn] [verb] | 17 |
|
