| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] prove [prep] be a [adj] | 42 |
|
| 2 | [vb mod] prove [prep] be a [adj] | 42 |
|
| 3 | could [vb infin] [prep] be a [adj] | 15 |
|
| 4 | could [verb] [prep] be a [adj] | 15 |
|
| 5 | could prove [prep] be [art] [adj] | 10 |
|
| 6 | could prove [prep] be [art] [adj] | 10 |
|
| 7 | could prove [prep] be a [adj] | 9 |
|
| 8 | could prove [prep] be a [adj] | 9 |
|
| 9 | could prove [prep] be a [adj] | 9 |
|
| 10 | could prove [prep] be a [adj] | 9 |
|
| 11 | could prove [prep] [be] a [adj] | 9 |
|
