| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] be found to | 48 |
|
| 2 | [vb base] been found to | 48 |
|
| 3 | have [be] found to | 48 |
|
| 4 | [vb base] [been] found to | 48 |
|
