| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | prove more [adj] [to-vb] | 16 |
|
| 2 | prove more difficult [to-vb] | 7 |
|
| 3 | prove more difficult [to-vb] | 7 |
|
| 4 | proved more [adj] [to-vb] | 6 |
|
| 5 | prove more [adj] [to-vb] | 6 |
|
| 6 | prove more willing [to-vb] | 5 |
|
| 7 | prove more willing [to-vb] | 5 |
|
