| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know [pron] [pron] | 2024 |
|
| 2 | [not/n't] know [pron] [pers pn] | 1854 |
|
| 3 | [not/n't] [verb] [pron] they | 552 |
|
| 4 | [adv] know [pron] they | 340 |
|
| 5 | [not/n't] know [pron] they | 269 |
|
