| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] proved to be | 6 |
|
| 2 | [prep] [num] proved to be | 6 |
|
| 3 | [num] proved to be [art] | 13 |
|
| 4 | [num] proved to be [art] | 13 |
|
| 5 | [num] proved to be a | 9 |
|
| 6 | [num] proved to be a | 8 |
|
