| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be a [adj] | 5392 |
|
| 2 | proved [prep] be [adj] | 124 |
|
| 3 | proved [prep] be a | 109 |
|
| 4 | proved [prep] a [adj] | 10 |
|
