| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have be found to [be] | 7 |
|
| 2 | which [verb] be found to [be] | 7 |
|
| 3 | which [verb] been found to [be] | 7 |
|
| 4 | which [verb] be found to be | 7 |
|
