| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] do [pron] [vb infin] [noun sg] to | 6 |
|
| 2 | [Wh adv] do [pers pn] [verb] [noun sg] to | 6 |
|
| 3 | how do [pron] [verb] [noun sg] to | 5 |
|
