| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] to [be] | 758 |
|
| 2 | [be] prove to [be] | 143 |
|
| 3 | be prove to [be] | 143 |
|
| 4 | been prove to [be] | 20 |
|
| 5 | been prove to [be] | 20 |
|
| 6 | been prove [prep] [be] | 20 |
|
| 7 | [been] prove to [be] | 20 |
|
| 8 | been prove [prep] [be] | 20 |
|
