| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] be | 12638 |
|
| 2 | [modal v] to be | 4613 |
|
| 3 | [Wh det] [modal v] to | 325 |
|
| 4 | [Wh det] to be | 41 |
|
