| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do n't [pers pn] [vb infin] | 1254 |
|
| 2 | [adv] why do n't [pers pn] | 165 |
|
| 3 | [adv] why do [pers pn] [vb infin] | 94 |
|
| 4 | [adv] do n't [pers pn] [vb infin] | 73 |
|
