| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't know how [adv] i [vb base] | 5 |
|
| 2 | [not/n't] know how [adv] i [vb base] | 5 |
|
| 3 | [not/n't] know how [adv] i [vb base] | 5 |
|
