| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pron] must [verb] | 394 |
|
| 2 | [Wh det] [pron] must [vb infin] | 393 |
|
| 3 | [Wh det] [pron] [modal v] say | 294 |
|
| 4 | [pron] [pron] must say | 23 |
|
| 5 | [Wh det] [pron] must say | 11 |
|
