| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [vb mod] [verb] [prep] [adj] | 574 |
|
| 2 | [Wh det] [modal v] [verb] [prep] [adj] | 574 |
|
| 3 | [pron] must [verb] [prep] [adj] | 247 |
|
| 4 | [Wh det] must [verb] [prep] [adj] | 13 |
|
| 5 | [Wh det] must [verb] [prep] [adj] | 13 |
|
