| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [pron] [verb] how [to-vb] | 10 |
|
| 2 | of [pron] know how [to-vb] | 10 |
|
| 3 | of [pron] [vb past] how [to-vb] | 6 |
|
| 4 | of [pron] knew how [to-vb] | 6 |
|
