| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and why did n't [pron] | 16 |
|
| 2 | and why did n't [pers pn] | 15 |
|
| 3 | [conj] why did n't they | 7 |
|
| 4 | [coord] why did n't they | 6 |
|
| 5 | and [adv] did n't they | 6 |
|
| 6 | and why did not they | 5 |
|
| 7 | and why [vb past] n't they | 5 |
|
| 8 | and why do n't they | 5 |
|
| 9 | and why did n't they | 5 |
|
| 10 | and why [verb] n't they | 5 |
|
| 11 | and [Wh adv] did n't they | 5 |
|
| 12 | and why did n't they | 5 |
|
| 13 | and why did n't they | 5 |
|
| 14 | and why did [adv] they | 5 |
|
| 15 | and why did [not/n't] they | 5 |
|
