| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] be found to | 57 |
|
| 2 | has [be] found to | 56 |
|
| 3 | [vb -s] [been] found to | 56 |
|
| 4 | [vb -s] been found to | 56 |
|
