| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] prove to be | 19 |
|
| 2 | have be prove to be | 19 |
|
| 3 | have been prove to be | 19 |
|
| 4 | have [be] proved to be | 14 |
|
| 5 | has [be] prove to be | 10 |
|
| 6 | have [be] prove to be | 7 |
|
| 7 | have [be] proven to be | 5 |
|
