| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [verb] [pron] [verb] [adv] | 583 |
|
| 2 | [adv] did [pron] [verb] [adv] | 556 |
|
| 3 | how do [pron] [verb] [adv] | 521 |
|
| 4 | how [vb past] [pron] [verb] [adv] | 270 |
|
