| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | proved [prep] be [det] than | 7 |
|
| 2 | proved to [be] [det] than | 7 |
|
| 3 | proved [prep] be [det] than | 7 |
|
| 4 | proved [prep] [be] [det] than | 7 |
|
