| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] why should [pron] [not/n't] | 8 |
|
| 2 | [coord] why should [pers pn] [not/n't] | 8 |
|
| 3 | [coord] why should [not/n't] [pron] | 21 |
|
| 4 | [coord] why should [not/n't] [pers pn] | 20 |
|
