| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [Wh det] i [verb] not know | 5 |
|
| 2 | but [Wh det] i do not know | 5 |
|
| 3 | but [Wh det] i [verb] not know | 5 |
|
| 4 | but what i [verb] not know | 5 |
|
| 5 | but [Wh det] i [verb] n't know | 5 |
|
