| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was carried out [prep] the [adj] | 31 |
|
| 2 | [was/were] carried out by the [adj] | 16 |
|
| 3 | were carried out [prep] the [adj] | 7 |
|
| 4 | [was/were] carried out in the [adj] | 6 |
|
