| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to be | 91055 |
|
| 2 | [vb infin] to be | 13090 |
|
| 3 | prove to be | 1919 |
|
| 4 | prove to be | 384 |
|
| 5 | prove to [be] | 384 |
|
| 6 | prove to [be] | 384 |
|
| 7 | prove [prep] be | 384 |
|
