| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be a [adj] | 4330 |
|
| 2 | prove [prep] be a | 428 |
|
| 3 | prove [prep] be [adj] | 418 |
|
| 4 | prove [prep] a [adj] | 8 |
|
