| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who did not know [pron] | 15 |
|
| 2 | who did not know what | 7 |
|
| 3 | who did not know [Wh det] | 7 |
|
| 4 | who did not know what | 7 |
|
| 5 | who did not know [pers pn] | 6 |
|
