| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how did [pers pn] [vb infin] | 1485 |
|
| 2 | did [pers pn] [vb infin] [adv] | 1366 |
|
| 3 | how did [pers pn] [adv] | 30 |
|
