| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb base] they [verb] [adv] | 17 |
|
| 2 | why [vb base] they [verb] [adv] | 17 |
|
| 3 | why [vb base] they [vb infin] [adv] | 15 |
|
| 4 | why do they [verb] [adv] | 15 |
|
| 5 | why [vb base] they [verb] [adv] | 9 |
|
| 6 | why [vb base] they [verb] [adv prt] | 6 |
|
| 7 | why [vb base] they [verb] so | 6 |
|
| 8 | why [vb base] they [verb] so | 6 |
|
