| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be found to have be | 30 |
|
| 2 | be found to have been | 30 |
|
| 3 | be found to have [been] | 30 |
|
| 4 | were found to have [be] | 14 |
|
| 5 | was found to have [be] | 7 |
|
