| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] why do [not/n't] [pron] | 74 |
|
| 2 | [coord] why do [not/n't] [pers pn] | 72 |
|
| 3 | [coord] [adv] do [not/n't] they | 12 |
|
| 4 | [conj] why do [not/n't] they | 10 |
|
| 5 | [coord] why [verb] [not/n't] they | 10 |
|
| 6 | [coord] why do [not/n't] they | 9 |
|
| 7 | [coord] why do [adv] they | 9 |
|
