| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] why [modal v] [not/n't] | 93 |
|
| 2 | [adv] [modal v] [not/n't] [noun] | 73 |
|
| 3 | why [modal v] [not/n't] [noun] | 64 |
|
| 4 | [adv] why [modal v] [noun] | 18 |
|
| 5 | [adv] why [not/n't] [noun] | 16 |
|
