| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has prove to [be] | 166 |
|
| 2 | [noun prp] has to [be] | 75 |
|
| 3 | [noun prp] prove to [be] | 52 |
|
| 4 | [noun prp] has prove to | 12 |
|
