| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb mod] prove to be | 20 |
|
| 2 | what [vb mod] prove to be | 20 |
|
| 3 | what [vb mod] prove to [be] | 20 |
|
| 4 | what [vb mod] prove to [be] | 20 |
|
| 5 | what may prove to [be] | 8 |
|
