| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] i [vb mod] [verb] | 1998 |
|
| 2 | [Wh det] i [modal v] [verb] | 1998 |
|
| 3 | [Wh det] [pron] must [verb] | 394 |
|
| 4 | [pron] i must [verb] | 133 |
|
| 5 | [Wh det] i must [verb] | 56 |
|
