| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who were carrying out [art] | 5 |
|
| 2 | who were [verb] out [art] | 5 |
|
| 3 | who were carry out [art] | 5 |
|
| 4 | who were [v-ing] out [art] | 5 |
|
