| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] to [be] effective | 8 |
|
| 2 | [be] [verb] to [be] effective | 8 |
|
| 3 | [be] [verb] to be effective | 8 |
|
| 4 | [be] [verb] to be effective | 8 |
|
| 5 | [be] [vb pp] to [be] effective | 7 |
|
