| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] did [adv] | 772 |
|
| 2 | [Wh adv] did they | 384 |
|
| 3 | [Wh adv] they [adv] | 197 |
|
| 4 | did they [adv] | 145 |
|
