| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] they have | 928 |
|
| 2 | [prep] [Wh det] must have | 49 |
|
| 3 | [prep] [Wh det] they must | 37 |
|
| 4 | [Wh det] they must have | 9 |
|
