| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [verb] i | 422 |
|
| 2 | how come [pron] | 191 |
|
| 3 | [adv] come i | 29 |
|
| 4 | how come i | 19 |
|
| 5 | [Wh adv] come i | 19 |
|
