| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | carried out a [noun] [prep] | 35 |
|
| 2 | out at a [noun] [prep] | 24 |
|
| 3 | carried out at [noun] [prep] | 15 |
|
| 4 | carried out at a [noun] | 12 |
|
