| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know what [noun] | 348 |
|
| 2 | [not/n't] know what [noun pl] | 36 |
|
| 3 | know what [noun] [noun pl] | 20 |
|
| 4 | [not/n't] know [noun] [noun pl] | 6 |
|
