| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] did n't know [Wh det] | 25 |
|
| 2 | [noun prp] did n't know what | 24 |
|
| 3 | [noun prp] did n't know what | 24 |
|
| 4 | [noun prp] did n't know [pers pn] | 9 |
|
| 5 | [noun prp] did n't know it | 5 |
|
| 6 | [noun prp] did n't know it | 5 |
|
