| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb mod] [adv] know how | 22 |
|
| 2 | i [vb mod] [not/n't] know how | 19 |
|
| 3 | i [vb mod] not know how | 19 |
|
| 4 | i [vb mod] n't know how | 16 |
|
| 5 | i [vb mod] know how [to-vb] | 8 |
|
| 6 | i [vb mod] know how [verb] | 8 |
|
