| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must know what i | 5 |
|
| 2 | [pron] must know [Wh det] i | 5 |
|
| 3 | [pron] must know [Wh det] i | 5 |
|
| 4 | [pron] must know [Wh det] i | 5 |
|
