| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have be found to be | 143 |
|
| 2 | have been found to be | 143 |
|
| 3 | have [been] found to be | 143 |
|
| 4 | has [be] found to be | 54 |
|
| 5 | have [be] found to be | 47 |
|
| 6 | had [be] found to be | 28 |
|
| 7 | having [be] found to be | 14 |
|
