| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] be effective | 35 |
|
| 2 | be [prep] be effective | 35 |
|
| 3 | be to be effective | 35 |
|
| 4 | is [prep] be effective | 23 |
|
| 5 | are [prep] be effective | 11 |
|
