| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] be | 10899 |
|
| 2 | [prep] to be | 216 |
|
| 3 | [prep] [Wh det] to | 88 |
|
| 4 | [Wh det] to be | 41 |
|
