| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb past] proved to be | 26 |
|
| 2 | [noun] had prove to be | 24 |
|
| 3 | [noun sg] [vb past] prove to be | 15 |
|
| 4 | [noun pl] [vb past] prove to be | 7 |
|
| 5 | [noun prp] [vb past] prove to be | 6 |
|
