| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to [be] | 91056 |
|
| 2 | [vb pp] to [be] | 20110 |
|
| 3 | prove to [be] | 1919 |
|
| 4 | proved [prep] [be] | 455 |
|
| 5 | proved [prep] [be] | 455 |
|
| 6 | proved to [be] | 455 |
|
| 7 | proved to [be] | 455 |
|
