| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] not they | 159 |
|
| 2 | why [verb] n't they | 159 |
|
| 3 | why [verb] [not/n't] they | 159 |
|
| 4 | why do [adv] they | 143 |
|
| 5 | why [vb base] [adv] they | 101 |
|
| 6 | why do [adv] they | 92 |
|
| 7 | why [vb past] [adv] they | 58 |
|
| 8 | why did [adv] they | 51 |
|
| 9 | why have [adv] they | 16 |
|
| 10 | why have [adv] they | 9 |
|
| 11 | why had [adv] they | 7 |
|
