| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] did [pron] [vb infin] [prep] [pos pn] | 10 |
|
| 2 | [Wh adv] did [pers pn] [verb] [prep] [pos pn] | 10 |
|
| 3 | how did [pron] [verb] [prep] [pos pn] | 6 |
|
