| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [modal v] [verb] | 25481 |
|
| 2 | [Wh det] [modal v] [verb] | 18418 |
|
| 3 | [Wh det] [noun prp] [verb] | 6043 |
|
| 4 | [Wh det] [noun prp] [modal v] | 640 |
|
