| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [verb] to be | 621 |
|
| 2 | [verb] been [vb pp] to be | 612 |
|
| 3 | [verb] been prove to be | 19 |
|
| 4 | [verb] been proved [prep] be | 14 |
|
| 5 | [verb] been proved [prep] be | 14 |
|
| 6 | [verb] be proved to be | 14 |
|
| 7 | [verb] [been] proved to be | 14 |
|
| 8 | [verb] been proved to be | 14 |
|
| 9 | [verb] been proved to [be] | 14 |
|
| 10 | [verb] been proved to [be] | 14 |
|
| 11 | [verb] [be] proved to be | 14 |
|
| 12 | [verb] been proved to be | 14 |
|
