| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to be effective | 88 |
|
| 2 | [vb pp] [prep] be effective | 57 |
|
| 3 | shown [prep] be effective | 22 |
|
| 4 | show [prep] be effective | 22 |
|
| 5 | found [prep] be effective | 8 |
|
| 6 | find [prep] be effective | 8 |
|
| 7 | [vb -s] [prep] be effective | 7 |
|
| 8 | [v-ing] [prep] be effective | 7 |
|
| 9 | appear [prep] be effective | 7 |
|
| 10 | [vb base] [prep] be effective | 6 |
|
| 11 | prove [prep] be effective | 6 |
|
| 12 | [vb past] [prep] be effective | 6 |
|
| 13 | [vb infin] [prep] be effective | 5 |
|
