| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] found to [be] [adj] | 289 |
|
| 2 | [be] [verb] to [be] effective | 44 |
|
| 3 | [be] [vb pp] to [be] effective | 40 |
|
| 4 | [be] found to [be] effective | 5 |
|
| 5 | [be] found to [be] effective | 5 |
|
| 6 | [be] find to [be] effective | 5 |
|
| 7 | [be] found [prep] [be] effective | 5 |
|
| 8 | [be] found [prep] [be] effective | 5 |
|
