| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [modal v] [not/n't] | 5415 |
|
| 2 | why [modal v] [not/n't] | 1023 |
|
| 3 | [coord] why [modal v] | 367 |
|
| 4 | [coord] why [not/n't] | 142 |
|
