| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | shown to be [adj] | 235 |
|
| 2 | shown to be [adj] | 227 |
|
| 3 | [verb] to be effective | 88 |
|
| 4 | [vb pp] to be effective | 57 |
|
| 5 | shown to be effective | 22 |
|
| 6 | shown to [be] effective | 22 |
|
| 7 | shown [prep] be effective | 22 |
|
| 8 | shown to be effective | 22 |
|
| 9 | shown [prep] be effective | 22 |
|
| 10 | shown to be effective | 22 |
|
| 11 | show to be effective | 22 |
|
| 12 | shown to [be] effective | 22 |
|
