| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how do [pers pn] [vb infin] [prep] | 608 |
|
| 2 | how [adv] do [pers pn] [vb infin] | 449 |
|
| 3 | [adv] do [pers pn] [vb infin] [prep] | 270 |
|
