| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] to be | 1421 |
|
| 2 | [pron] prove to be | 234 |
|
| 3 | [Wh det] prove to be | 84 |
|
| 4 | which prove [prep] be | 58 |
|
| 5 | which prove to [be] | 58 |
|
| 6 | which prove to be | 58 |
|
