| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know [prep] | 1218 |
|
| 2 | know [prep] it | 441 |
|
| 3 | [not/n't] know it | 388 |
|
| 4 | [not/n't] [prep] it | 272 |
|
