| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] must be [vb pp] [prep] | 230 |
|
| 2 | [Wh det] must be [vb pp] [prep] | 230 |
|
| 3 | [Wh det] [vb mod] be [vb pp] from | 227 |
|
| 4 | [Wh det] [modal v] be [vb pp] from | 227 |
|
| 5 | [pron] must be [vb pp] from | 25 |
|
| 6 | [Wh det] must be [vb pp] from | 9 |
|
| 7 | [Wh det] must be [verb] from | 9 |
|
| 8 | [Wh det] must be [vb pp] from | 9 |
|
| 9 | [Wh det] must [be] [vb pp] from | 9 |
|
| 10 | [Wh det] must be [vb pp] from | 9 |
|
| 11 | [Wh det] must [be] [vb pp] from | 9 |
|
