| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not know [adv] i [vb base] | 90 |
|
| 2 | not know how [adv] i | 23 |
|
| 3 | know how [adv] i [vb base] | 12 |
|
| 4 | not know how i [vb base] | 12 |
|
