| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it may prove [adj] | 33 |
|
| 2 | it may prove [adj] | 32 |
|
| 3 | it may prove difficult | 11 |
|
| 4 | it may prove difficult | 11 |
|
| 5 | it may prove necessary | 5 |
|
| 6 | it may prove necessary | 5 |
|
