| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] must | 173 |
|
| 2 | [prep] [Wh det] must | 173 |
|
| 3 | with [Wh det] [modal v] | 91 |
|
| 4 | with [Wh det] [vb mod] | 91 |
|
| 5 | with [pron] must | 19 |
|
| 6 | with [Wh det] must | 7 |
|
| 7 | with [Wh det] must | 7 |
|
