| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [verb] to be | 2346 |
|
| 2 | [verb] prove to be | 313 |
|
| 3 | [Wh det] prove to be | 84 |
|
| 4 | [Wh det] [verb] prove to | 23 |
|
