| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | effective [subord] [verb] | 72 |
|
| 2 | [adj] [subord] used | 55 |
|
| 3 | effective [subord] [vb pp] | 50 |
|
| 4 | effective [subord] use | 8 |
|
| 5 | effective [conj] used | 7 |
|
