| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do n't [pers pn] [vb infin] | 1930 |
|
| 2 | [noun] do n't [pers pn] [vb infin] | 108 |
|
| 3 | [noun] why do n't [pers pn] | 56 |
|
| 4 | [noun] why do [pers pn] [vb infin] | 34 |
|
