| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] prove to be | 84 |
|
| 2 | [Wh det] prove to [be] | 84 |
|
| 3 | [Wh det] proved to [be] | 76 |
|
| 4 | which prove to [be] | 58 |
|
| 5 | what prove to [be] | 26 |
|
| 6 | [Wh det] prove to [be] | 5 |
|
