| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [no cls] why do n't [pers pn] [vb infin] | 9 |
|
| 2 | [no cls] why do [not/n't] [pers pn] [vb infin] | 9 |
|
| 3 | [no cls] why do [not/n't] you [vb infin] | 7 |
|
