| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not know [conj] they [adv] [verb] | 5 |
|
| 2 | n't know [conj] they [adv] [verb] | 5 |
|
| 3 | not know [subord] they [adv] [verb] | 5 |
|
