| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | carried out at the [noun] | 42 |
|
| 2 | carried out at [art] [noun sg] | 42 |
|
| 3 | carried out at a [noun] | 12 |
|
| 4 | carried out at [art] [noun prp] | 8 |
|
| 5 | carried out at [art] time | 5 |
|
| 6 | carried out at [art] time | 5 |
|
