| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] must [art] [noun] | 7 |
|
| 2 | [Wh det] must the [noun] | 6 |
|
| 3 | what must [art] [noun] | 6 |
|
| 4 | [Wh det] must the [noun] | 6 |
|
