| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know [noun] | 342 |
|
| 2 | [not/n't] know [noun prp] | 212 |
|
| 3 | [not/n't] [verb] mr | 163 |
|
| 4 | [adv] know mr | 14 |
|
| 5 | [not/n't] know mr | 10 |
|
