| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] be [prep] [be] effective [prep] | 5 |
|
| 2 | be [vb pp] [prep] [be] effective [prep] | 21 |
|
| 3 | be [verb] [prep] [be] effective [prep] | 21 |
|
| 4 | be show [prep] [be] effective [prep] | 10 |
|
| 5 | be shown [prep] [be] effective [prep] | 10 |
|
| 6 | be unlikely [prep] [be] effective [prep] | 6 |
|
| 7 | be unlikely [prep] [be] effective [prep] | 6 |
|
| 8 | be [adj] [prep] [be] effective [prep] | 6 |
|
| 9 | be [adj] [prep] [be] effective [prep] | 6 |
|
