| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not know [adv] [to-vb] | 623 |
|
| 2 | not know [adv] [adv] | 310 |
|
| 3 | not [adv] [adv] [to-vb] | 139 |
|
| 4 | know [adv] [adv] [to-vb] | 123 |
|
