| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [adv] they [vb infin] | 118 |
|
| 2 | do [adv] they [vb infin] [adv prt] | 19 |
|
| 3 | why do they [vb infin] [adv prt] | 9 |
|
