| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how do [pron] [verb] [prep] | 623 |
|
| 2 | [adv] how do [pron] [verb] | 337 |
|
| 3 | [adv] do [pron] [verb] [prep] | 298 |
|
| 4 | [adv] how [pron] [verb] [prep] | 48 |
|
