| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] did not know [Wh det] [verb] | 10 |
|
| 2 | [noun prp] did not know [Wh det] [to-vb] | 10 |
|
| 3 | [noun prp] did not know [Wh det] to say | 6 |
|
| 4 | [noun prp] did not know [Wh det] say | 6 |
|
