| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | proved [prep] [be] [det] [adj] | 5 |
|
| 2 | proved [prep] be [det] [adj] | 5 |
|
| 3 | proved to [be] [det] [adj] | 5 |
|
| 4 | proved [prep] be [det] [adj] | 5 |
|
