| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] they do [adv] | 159 |
|
| 2 | why they do [adv] | 91 |
|
| 3 | [vb past] why do [adv] | 25 |
|
| 4 | [vb past] why they do | 6 |
|
