| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [be] [prep] be effective | 5 |
|
| 2 | they are [prep] be effective | 5 |
|
| 3 | they [be] to be effective | 5 |
|
| 4 | they be [prep] be effective | 5 |
|
| 5 | they [am/are] [prep] be effective | 5 |
|
