| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [Wh adv] did | 513 |
|
| 2 | [adv] [Wh adv] i | 447 |
|
| 3 | [adv] did i | 397 |
|
| 4 | [Wh adv] did i | 234 |
|
