| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] prove to [be] | 169 |
|
| 2 | [be] prove to [be] | 143 |
|
| 3 | [vb -s] [be] to [be] | 13 |
|
| 4 | [vb -s] [be] prove to | 10 |
|
