| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how do [pers pn] [vb infin] | 4877 |
|
| 2 | do [pers pn] [vb infin] [Wh adv] | 719 |
|
| 3 | how do [pers pn] [Wh adv] | 18 |
|
