| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] how did [pron] | 10 |
|
| 2 | [Wh adv] how did [pers pn] | 9 |
|
| 3 | [Wh adv] how did you | 6 |
|
| 4 | [Wh adv] how did you | 6 |
|
