| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [be] carry out at [noun] | 9 |
|
| 2 | [noun pl] be carry out at [noun] | 9 |
|
| 3 | [noun pl] [was/were] carry out at [noun] | 6 |
|
| 4 | [noun pl] were carry out at [noun] | 6 |
|
