| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb past] n't they [verb] | 50 |
|
| 2 | why [vb past] not they [verb] | 50 |
|
| 3 | why [vb past] [not/n't] they [verb] | 50 |
|
| 4 | why did [adv] they [verb] | 44 |
|
| 5 | why [vb past] [adv] they [vb infin] | 43 |
|
| 6 | why had [adv] they [verb] | 6 |
|
| 7 | why [vb past] [adv] they [vb pp] | 6 |
|
| 8 | why [vb past] [adv] they get | 5 |
|
| 9 | why [vb past] [adv] they do | 5 |
|
| 10 | why [vb past] [adv] they do | 5 |
|
| 11 | why [vb past] [adv] they get | 5 |
|
