| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | prove [prep] be [adj] | 523 |
|
| 2 | prove [prep] be [adj] | 418 |
|
| 3 | [verb] [prep] be effective | 88 |
|
| 4 | prove [prep] [be] effective | 6 |
|
| 5 | prove [prep] be effective | 6 |
|
| 6 | prove [prep] be effective | 6 |
|
| 7 | prove [prep] be effective | 6 |
|
| 8 | prove [prep] [be] effective | 6 |
|
