| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] i [vb infin] | 878 |
|
| 2 | [Wh det] [vb mod] i [vb infin] | 878 |
|
| 3 | [Wh det] must [pron] [vb infin] | 36 |
|
| 4 | [pron] must i [vb infin] | 21 |
|
| 5 | [Wh det] must i [verb] | 18 |
|
| 6 | [Wh det] must i [vb infin] | 18 |
|
