| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [vb past] [pron] know | 291 |
|
| 2 | how [verb] i know | 87 |
|
| 3 | how [vb past] i [verb] | 60 |
|
| 4 | [adv] [vb past] i know | 17 |
|
| 5 | how [vb past] i know | 7 |
|
| 6 | [Wh adv] [vb past] i know | 7 |
|
