| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [adv] they | 143 |
|
| 2 | [conj] why do [adv] | 103 |
|
| 3 | [conj] why do they | 37 |
|
| 4 | [conj] do [adv] they | 25 |
|
