| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how [vb past] [pron] know [pers pn] | 75 |
|
| 2 | [vb past] [pron] know [prep] [pers pn] | 24 |
|
| 3 | how [vb past] [pron] know [prep] | 19 |
|
