| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how do [pers pn] know [Wh adv] i | 8 |
|
| 2 | how [vb past] [pers pn] know [Wh adv] i | 6 |
|
| 3 | how [verb] [pers pn] know where i | 6 |
|
| 4 | how did [pers pn] know [Wh adv] i | 6 |
|
| 5 | how [verb] you know [Wh adv] i | 5 |
|
