| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [be] found to be [adj] | 15 |
|
| 2 | have be found to [be] [adj] | 15 |
|
| 3 | have been found to [be] [adj] | 15 |
|
| 4 | have [been] found to [be] [adj] | 15 |
|
