| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [noun] do not know | 26 |
|
| 2 | [noun prp] [noun prp] [verb] not know | 23 |
|
| 3 | [noun prp] [noun] [vb past] not know | 22 |
|
| 4 | [noun prp] [noun] did not know | 22 |
|
