| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do n't [pron] [vb infin] | 1949 |
|
| 2 | [pers pn] do n't [pron] [vb infin] | 148 |
|
| 3 | [pers pn] why do [pron] [vb infin] | 15 |
|
| 4 | [pers pn] why do n't [pron] | 12 |
|
