| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] know [adv] [adv] they | 8 |
|
| 2 | [not/n't] know [adv] [adv] they | 8 |
|
| 3 | not know [adv] [adv] they | 8 |
|
| 4 | n't know [adv] [adv] they | 7 |
|
| 5 | know [adv] [adv] they [verb] | 6 |
|
