| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] proved to [be] | 161 |
|
| 2 | [be] proved to [be] | 53 |
|
| 3 | [vb -s] [be] to [be] | 13 |
|
| 4 | [vb -s] [be] proved to | 7 |
|
